Give users ability to block/mute other users from posting on their boards.
Some times people just need to be silenced or leave the OP alone when they are not fitful for the discussion.
This has nothing to do with people people disagreeing, being rude or trolling. Those are easily handled with reporting. I'm talking about people who just want to argue and nit pick at things like your grammar, spelling and meaningless facts because they don't understand the point of the post. Basically stop people from being so disruptive in a discussion. Especially on a large scale of paragraphs of dick measuring. Its just stupid.