If they are an average person who wants to talk something out and get practical advise about issues, it is generally not safety critical, and LLMs can help them.
I see, your confidence stems from "I made it the fuck up"?
I don't know man, at least the people posting this stuff on LinkedIn generally know its nonsense. They are not drinking the kool-aid, they are trying to get into the business of making it.
If they are mentally ill, LLMs cannot help them.