A thing they already had and this doesn’t help with

Sorry to necro, but I guess that should have been

governments wanting plausibly deniable, legal implication free, actionable intelligence

as to the others, valid enough, though I doubt they’ll be burning out chips (if you cool them properly and server farms do, they become outdated far before they die, even @ <4nm…). Ponzi, yup, sure is, in spades, but that’s the finance game now.