I would have thought that was obvious from my comment.

I'm with Jeff on this one.

LLMs are an obviously terrible solution for any problem that actually has a complex but invariant solution.

Personally I prefer rigid, automated questionnaire filtering that gets you to a real person as soon as possible.

I also thoroughly believe in a) human support chats and b) believing the people answering them to be decent human beings who deserve my clarity, preparedness, politeness and empathy, and I think more should be done on chat interfaces to make them slightly less amenable to stupid unstructured queries. You help people ask the question right.