Earlier quoted context omitted.
Moderation is not necessarily censorship. It is only censorship if the content is removed based on the content itself. For example, shutting down a flamewar for simply being aggressive is not censorship, as long as the same discussion would have been permitted if held in good spirit. Censoring "wrong" content likely has bad outcomes, the worst being that with only "good" content, critical thinking may get even sloppi…
I disagree. Aggression in the sense of language style, is very much in the eye of the beholder. As is assigning value to a ‘flamewar’. One person’s meaningless flamewar is another person’s valuable but heated argument.
Sure, if you stop something early you may have overstepped, but no one questions violence taking place when rocks are being thrown. Same goes for once a discussion degrades to ad hominem attacks/insults.