Twitter reinstated the account after some of its more than 500,000 followers complained that the account had been suspended for its political messaging.
Twitter under fire for reinstating account that posted child sex abuse::undefined
It's been common parlance at least since Apple wanted to implement CSAM scanning of all iCloud saved images through a hashing technique. The backlash was so strong Apple now opposes CSAM scanning. This was two years ago-ish.
Fair, but the point of an acronym is to not have to write out the whole thing every time. It's ok to have people have to ask for clarification or look it up on their own. That's how people learn.