Earlier quoted context omitted.
A free and open internet also allows propaganda and hate to flourish which are two bedrocks of most authoritarian and nationalist regimes. It isn't as simple as ending censorship will allow everyone to be free.
Propaganda is vulnerable to open discourse, promoters of false information are handicapped by the flaws in their arguments. The only way it can flourish is censored away into manipulative misdirection and secretive groups. There is also the immunity to bad ideas aspect; Its important that the propaganda is heard openly and argued against in public, as this makes people immune to these arguments. Censor these bad idea…
This is repeated so much it is practically a meme at this point, but is there anything to actually back it up? Especially when users have the ability to control what they see. If someone is in a bubble of disinformation, it doesn't matter how many voices outside the bubble try to debunk those claims.
It seems like a more effective approach would to be to work on preventative measures so people are never exposed to these harmful beliefs rather than wait until these beliefs are heard and then try to convince them they are wrong.