I don't think the comparison was ever relevant in the first place. The fundamental problem with blockchains is that the computational cost of doing anything in

I don't think the comparison was ever relevant in the first place. The fundamental problem with blockchains is that the computational cost of doing anything increases with the number of users, and there are network effects involved in cryptocurrencies. None of the "layer solutions" like rollups and payment channels can change these fundamental rules. None of that applies to modern AI.