I'm not convinced Twitter had a ton of bloat. (Most of the teams actually involved don't seem to think so). Just because Elon can't understand something, doesn't make that thing "bloat".
Twitter definitely had a few weird features that could be cut (the audio podcasting thing, for example). But calling most of Twitter microservices "bloat" is about as dumb as calling a cars Seatbelt and Airbag and Crumple Zones and that spare tire in the trunk "bloat" -- it's only "bloat" if you assume all people will always be perfect and no one will ever make a mistake anywhere, and nothing bad will ever happen.