The Rise of Bouje has proven to me the point system can, and will, work.
He made an objectionable argument in one thread and was down to -400000000. But because he stuck with it and didn't deliberately troll, he has quickly climbed out.
Contrast with BlueFront, a deliberate troll who made one thread and then continued to be a douche. Still -400000
Ipso Facto, it works.