I would imagine that for people that actually care (whose threat model involves governments targeting them specifically), then they're aware of all the tradeoff

I would imagine that for people that actually care (whose threat model involves governments targeting them specifically), then they're aware of all the tradeoffs involved and can make informed decisions (and know how to use more secure, harder to use platforms). For everyone else, I think "e2e encrypted by maybe twitter is lying to you" is no worse than the current state of play.