Then ban the account(s). There is no doubt about the true identity of the poster, so ban the account every time they pop up. I don't disagree that Timmy has behaved badly on here, a ban is more than justified. I just don't think it appropriate that every thread descend in the unpleasant manner...
It doesn't need everyone to needlessly pile in though, does it? You can understand why people who don't know the history question the responses. It's not very pleasant and undermines the genuine sense of community there is on this forum in the main. We get it, the man isn't popular and he knows why.