censorship is ALWAYS negative and is a slippery slope, even if it does not seem so at first. Don't want to have to look at certain threads everytime b/c it clutters things? well put in a delete button and you won't have to. the way it looks now is that the 'troll' problem is the worlds 'drug' problem. an excuse to have more control and a reason to use it. views opposing the powers that be can be squashed without question. bitcoinforums.net has agreed to not censor at all and if things get messy, they will put in a button, that is why i prefer that sites setup.
EDIT:
that comes off as harsh, and i want to say that even though my account was banned on the night of the trolls, it has since been turned back on and the policy adjusted, so even while it has been shown that they are willing to crush accounts for opposing views, and delete threads for speaking out against them, they have shown to care about punishing the innocent, and have been able to admit when they were wrong(me being able to post again is case-in-point)