It turns out that a real name policy does not improve online behavior: http://techcrunch.com/2012/07/29/surprisingly-good-evidence-...

Personally, if I'm going to go to the trouble of eviscerating someone in text, I want to put my real name on it and take credit. Then again, I grew up with Usenet when flaming was an art form. (You kids get offa my 'net!)