... no one ever used crypto to buy things. most engineers are currently already using AI. such a dumb comparison that really just doesnt pass the sniff test.
People use crypto all the time to buy dollars. Thats its main purpose: spend sanctioned rubles to buy crypto to buy dollars; use randomware to coersively obtain crpyto to buy dollars, etc.
Inside scoop: the pub group who owned that pub (still going, owns four in Cambridge and environs) was cofounded by Steve Early, a Cambridge computer scientist who wrote his own POS software, so it was very much a case of "yeah, that sounds like fun, I'll add it". (Until tax and primary rate risk made it not fun, so it was removed.)
For anyone who takes doing their taxes seriously, this is a nightmare. Every pint ordered involves a capital gain (or loss) for the buyer. At a certain point you're doing enough accounting that you might as well be running the bar yourself (or just paying in cash)!