I don't know if "they" want to improve the tone. The only one who posted something like (that I read) that was me because I see it on both side and think it is destructive.
They spend a lot of time complaining about the harshness of these threads.
After calling opponents klansmen and insinuating that Rudy opponents are actually part of the antiwar right. Or that they should be supporting Edwards. And then when I call them on making such posts, I'm the bad guy. Go figure.