I have seen discussions there from people on both sides of the political spectrum where neither side was downvoted to oblivion, which is more than you can say for most of Reddit.
Truth isn't welcomed there. For instance, you will be banned for simply stating that Trump lost the election
That's the point: they complain about everyone else except when it happens to them, and then suddenly it's totally just and necessary. As though the reason women, gays, lesbians, transgender, black, mexican etc. communities don't have their own spaces for the exact reason that otherwise they would be brigaded by no end of people who felt just overly necessary to drop in and talk about how they think none of their problems are valid.
/r/conservative isn't ridiculed because it's moderated aggressively, it's ridiculed because it's moderated aggressively by people who continuously argue that moderation anywhere else is an assault on free speech and wholly unnecessary.