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Exactly this. And I'm pretty sure the person that pointed this out was fired.

It’s not a search box. The dialogue box literally says “Ask about this product”.

It explicitly is a question box, and it doesn't need to be "retrained" every time someone posts a review, they're most likely being embedded, summarized, and put into a vector database that the question box can RAG.

This is close to a textbook example of where an LLM is useful. It's interesting seeing just how knee-jerk-y some people's irrational hatred of this has become.