I agree there are some people that are annoying. However, I strongly don't like censorship at the same time. Despite a couple annoying posts I think the signal to noise ratio is quite high.
Some other forums have "friends" and "foes." You can hide all posts from your foes and highlight and call your attention to all posts from your friends.
I would prefer those options rather than being voted "off the island."
Just my 2 cents.