While it could be said that LLMs are in the 'peak of inflated expectations', blockchain is definitely still in the 'trough of disillusionment'. Even if there was a way for blockchain to affordably facilitate everyday transactions without destroying the planet and somehow sideloading into government acceptance, it's not clear that there would be anything novel enough to motivate people to use it vs a bank - beyond a complete collapse of the banking system.

how do you explain the current volume of transactions

Of course. You can also still buy new pogs, and they have a subreddit.