Nah, he would just (shadow)ban you.
But in general we had that debate long and broad on what truth means with Covid. Who decides what the scientific consensus is for instance. (I don't remember a crystal clear outcome, though). But in case of doubt, we still have courts to decide.
Censorship!
There’s a lot of grey areas - statement of fact vs opinion, open scientific consensus, statements about public figures vs. private individuals, … But the post I’m responding to basically says “there is no truth, let’s give up.” and that’s just as false.