How Bad Customer Experiences Affect AI Sentiment

By Joel Gross·Sep 22, 2026·8 min read
How Bad Customer Experiences Affect AI Sentiment

A bad customer support interaction used to create a relatively contained problem. The customer might cancel, complain to a manager, or tell a few friends. But that boundary no longer exists.

Customers now document support failures on Google, Reddit, Yelp, Trustpilot, industry forums, social platforms, and retailer websites. Those comments do not just influence the people who read them directly. They can also become source material for Google AI Overviews, ChatGPT, Gemini, Perplexity, and other AI systems answering questions about the brand.

Customer experience has therefore become part of AI SEO, or GEO (generative engine optimization). The way a company handles returns, complaints, shipping problems, billing errors, and technical support can influence how AI describes that company to future customers.

AI Sentiment Is Not an Emotion

“AI sentiment” is convenient shorthand, but it can also be misleading. An LLM does not personally like or dislike a company. It generates an answer based on its training, the information it retrieves, the wording of the prompt, and the sources available at that moment.

It would be inaccurate to claim that every angry review permanently “trains ChatGPT” to hate a brand. That is not how most current recommendation experiences work.

The more immediate risk comes from retrieval. Google says AI Overviews summarize information from a range of sources, while AI Mode divides questions into subtopics and searches across multiple sources. OpenAI similarly states that ChatGPT Shopping Research looks across the internet for current information, including reviews, before producing product recommendations and comparisons.

When public sources repeatedly associate a brand with poor service, those patterns can be retrieved, summarized, and presented as part of an AI answer.

How a Support Failure Becomes an AI Recommendation

The process often starts with an ordinary operational problem.

An order arrives late. A return is rejected. A support agent gives an unhelpful response. A customer waits several days for an answer. The company closes the ticket, but the customer publishes the experience publicly.

One complaint alone may have little effect. The problem develops when similar accounts begin appearing across multiple sources.

A user might then ask:

  • "Is this company reliable?"
  • "What are the disadvantages of buying from this brand?"
  • "Which company has better customer support?"
  • "Should I use Company A or Company B?"
  • "What are the best alternatives to this service?"

An AI system may retrieve review pages, forum discussions, comparison articles, news coverage, and the company’s own website. It then compresses those sources into a recommendation.

AI systems have a tendency to surface complaints involving turnaround times, returns, shipping, availability, limited stock, and pricing. When the same criticism appears across public sources, it can become the default frame through which an AI system describes the company.

The support issue has now moved beyond retention and has become a discovery problem.

Negative Experiences Create Public Evidence

Bad customer experiences already affect purchasing behavior directly. PwC found that 52% of consumers had stopped using or buying from a brand after a bad experience with its products or services.

Reviews extend that impact to people who have never interacted with the company.

BrightLocal’s 2026 consumer review research found that positive reviews make 85% of consumers more likely to use a business, while negative reviews deter 77%.

AI adds another layer. Instead of requiring a prospective customer to read 40 reviews, an AI assistant can summarize the apparent consensus in a few sentences.

That compression is useful for the customer, but dangerous for brands with recurring problems. Nuance can disappear. Five complaints about delayed returns, spread across several sites and months, may be summarized as “customers frequently report difficulties with returns.”

The statement may be directionally supported, even when the frequency or current severity is unclear.

This is why treating negative reviews as isolated reputation management problems is outdated. Collectively, they form a public dataset about the customer experience.

Why Specific Complaints Are More Likely to Shape Answers

Not all reviews carry equal informational value.

A vague comment such as “terrible company” says little. A detailed review describing a missed delivery date, several unanswered emails, a disputed charge, and an unresolved refund gives an AI system far more material to work with.

The most influential patterns tend to be:

  • Repeated: Multiple customers describe the same issue.
  • Specific: Reviews contain concrete details about policies, response times, fees, or support interactions.
  • Recent: New complaints suggest the issue may still exist.
  • Distributed: Similar criticism appears on several independent platforms.
  • Unresolved: The company provides no visible response, correction, or explanation.

AI systems are built to identify and summarize patterns. When negative commentary is consistent, detailed, and widely distributed, the system needs to perform less interpretation to turn it into a clear brand narrative.

Unfortunately, “Customers praise the uneventful completion of their perfectly normal return” is not a common review. Problems naturally generate more detailed stories than routine success.

Good Customer Experiences Can Improve AI Sentiment Too

The same mechanism works in the opposite direction.

Positive reviews provide evidence that a company treats customers well when they mention responsive support, fast replacements, flexible returns, knowledgeable employees, or proactive communication.

These details are more useful than generic five-star praise. "Great company" provides little context. "Support replaced the damaged product within two days and followed up after delivery" gives an AI system a specific service attribute it can summarize.

How a company replies to reviews counts too. BrightLocal found that consumers pay attention to whether and how companies reply to reviews. A thoughtful response shows that the company acknowledges problems and attempts to resolve them, even when the original review remains negative.

A bad experience followed by an effective resolution produces stronger evidence of customer care than a flawless but undocumented transaction.

CX and GEO Are Now Connected

AI-powered search is becoming a meaningful part of the decision journey. McKinsey found that 44% of AI search users considered it their primary and preferred source of information, ahead of traditional search, brand websites, and review sites within the surveyed group.

That does not mean reviews have become less important. While users might not visit review sites directly, the AI answers they rely on are shaped by summaries of those same reviews.

Brands cannot improve AI sentiment solely by publishing more optimized content on their own websites. Owned content is only one part of the evidence environment. Customer support, operations, public relations, product quality, fulfillment, review management, and SEO all contribute to the information AI systems can find.

How Brands Should Respond

The first step is not generating more positive content. It is fixing the customer experience.

If dozens of customers complain about cancellation fees, publishing an article titled “Why Customers Love Our Flexible Cancellation Policy” will not solve the contradiction. AI systems can compare claims with third-party evidence. Marketing copy cannot reliably outrank a recurring operational failure forever.

Brands should begin by identifying which support problems generate the most public commentary. Review data, customer tickets, call transcripts, return reasons, social comments, and cancellation feedback should be analyzed together.

Next, test the questions prospective customers are likely to ask AI. Do not monitor only branded prompts such as “Tell me about Company X.” Test comparative and risk-oriented prompts:

  • “Is Company X trustworthy?”
  • “What complaints do customers have about Company X?”
  • “Which provider has the best support?”
  • “What should I know before buying from Company X?”
  • “What are the best alternatives to Company X?”

Track which criticisms appear, how often they recur, and which sources support them. AI answers are variable, so one prompt on one platform is not a measurement strategy. Testing needs to cover multiple prompt variations, models, user intents, and dates.

Brands should also respond to reviews with substance. A page filled with identical “We are sorry to hear about your experience” replies may demonstrate activity, but it does not provide meaningful evidence that anything was addressed.

Finally, companies need to publish accurate information about policies and improvements. If return processing has changed, explain the new process clearly. If support hours have expanded, update listings and documentation. If an old complaint no longer reflects current operations, create enough consistent, verifiable evidence for customers and AI systems to recognize that the situation changed.

Customer Support Now Shapes Customer Acquisition

Customer support is no longer limited to helping existing customers.

Bad experiences create complaints. Complaints create searchable evidence. AI systems summarize that evidence. And customers see that before even visiting the company's website.

Good experiences can create the opposite effect, but only when customers document them and the brand reinforces them through consistent operations, useful responses, and accurate public information.

The convergence of CX and AI SEO/GEO is not complicated. AI systems cannot recommend the version of your company described in the strategy deck. They can only work with the version of the company they find.

Contributed by Joel Gross, Founder and CEO of Coalition Technologies

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