It feels like a similar trend to the one that NFTs followed: huge initial hype, stoked up by tech bros and swallowed by a general public lacking a deep understanding, tempered over time as that public learns more of the problematic aspects that detractors publicise.
I don't feel NFTs ever really had much interest among the general public - average reaction just being "I don't get it, that sounds pointless".
Whereas AI seemed to have a pretty good run for around a decade, with lots of positive press around breakthroughs and genuine interest if you showed someone AI Dungeon, DALL-E 2, etc. before it split into polarized topic.
NFTs have way less downsides than LLMs and GenAI, since the main downside was just wasting electricity. I didn't have to worry about someone cloning my voice and begging my mom on the phone for money.
I think this comparison makes little sense, as in the case of AI there is some actual impactful substance backing the hype.