Because it allows us to have some control over the site's content, rather than none at all. I agree with the commenter you're replying to: The moderators are r

Because it allows us to have some control over the site's content, rather than none at all. I agree with the commenter you're replying to: The moderators are really the ones in control here. And that's the way it should be. If this site was managed as a strict democracy, it would have been overrun with trolls and spam years ago, and we would have all moved on to something better.