Curious to see Zoe's full talk from XOXO. This is a good read overall, with this part standing out:
Originally Posted By: The Verge and Zoe
she interviewed 300 self-identified former trolls to ask what made them stop. "Almost every single time, more often than not, they expressed that someone they were close to, respected, or looked up to said that wasn’t cool," she said. "The social network supporting this kind of feeding frenzy was no longer reinforced."

http://www.theverge.com/2015/9/14/9326207/zoe-quinn-gamergate-xoxo-festival