Do trolls get to you emotionally? If so, how do you deal with it?

Looking back at that birther thread again, I see many people decried Marley23 for banning the troll, as so many people were having so much fun kicking the troll around. In a later post, Marley23 defended his action as a mercy banning:

(Bold added.) And this was a good 300+ posts into the thread! :stuck_out_tongue: