It was early 2011 and TechCrunch's comment section was overrun with trolls. Bullies and asshats were drowning out our smart commenters. We hated our commenters because, well, they hated us. So we rolled out Facebook Comments in an attempt to silence the trolls -- by removing their anonymity. But we eventually discovered that our anti-troll tactic worked too well; The bullies and asshats left our comments sections, but so did everyone else. Now, several years later, after dozens of endless…