The voting system exists so that the community can raise productive comments, and lower unproductive comments. It's impossible for Paul Graham himself to come to every thread and say which comments are good and bad. We have to help how we can.

>I've seen both people posting "you're hellbanned and it doesn't look warranted" and productive, moderator-accepted complaints about changing titles.

The Y Combinator is reasonable, and human. It has a set of rules it attempts to operate by, but human agents occasionally violate their own rules. Ultimately, all decision-making authority rests with them, not the community.

But the fact they exist is difference enough to demonstrate my point.