The obvious difference is that AI has abundant use-cases, while Crypto only has tenuous ones.
Maybe there is added negativity considering it is a technology where there is clearly a potential threat to jobs on a personal level (e.g. lift operators were very negative towards automatic lifts).
But my not so informed opinion is text as an interface is only a small feature of bigger useful products, not the main focus. Instead of learning sql, you can ask a regular question. It feels like inventing the mouse to use with computers.