There isn't a forum in the world without superiority, snark, self-importance, and toxicity; some of that is simply an artifact of communicating about contentious topics in the context-stripped medium of text messaging.

But Reddit's shitposting culture makes threads difficult to follow and powerfully impacts the culture there. On the better, closely moderated subreddits, threads are swiss-cheesed with deleted comments. It's just a very different reading experience.