Nfts were a scam from the start something that has no actual purpose utility or value being given value through hype.
Generative AI is very different. In my honest opinion you have to have your head in the sand if you don't believe that AI is only going to incrementally improve and expand in capabilities. Just like it has year over year for the last 5 to 10 years. And just like for the last decade it continues to solve more and more real-world problems in increasingly effective manners.
It isn't just constrained to llms either.