I'm in favor of two solutions: a new board, and a rule that bans all of them. I'm more favorable of the latter.
Yeah, it's called the trashcan.
Yes. It's more trouble than it is worth it and they often generate a lot of spam in the process.
The signature guidelines thread should also be changed into strict rules and any campaign not following them or running a poorly managed campaign should have their entire threads trashed and their accounts banned. Maybe then people will start looking after their campaigns but if we continue to let them get away with doing absolutely nothing then they will.
How many times do we need to scream at theymos before he does something about this?