Is it really bad enough to 'throw your towel in'? There are quite a small number of contributors that mar the site and they do congregate in the CB area.
Keeping away from this area and ignoring the infantile antics its the best way to enjoy the bits of the site you like.
The layout of the site is quite user friendly compared to others and there has been some effort of moderation recently.
I will keep hold of my towel till the next version to see if things improve.
If its no better, then I am right behind you.