Essentially Crypto lead to huge investment into GPUs and GPU technology, and then once Crypto collapsed lead to a huge capacity of compute power which then decidedly was put into AI.
I doubt that investment into GPU technology would have been driven by the idea of AI alone. Something manic like Crypto had to drive it initially. Without Crypto, I imagine the AI revolution we're seeing today would not have taken place.
No, it wasn't. Crypto made GPUs scarce and expensive, and prices haven't come down yet. Crypto set AI back in many ways, including the infestation of grifters who have moved from Crypto to AI