This is the core problem. It's an engineering solution to a social problem. Real names won't keep trolls and racists from being trolls and racists, unless the

This is the core problem. It's an engineering solution to a social problem. Real names won't keep trolls and racists from being trolls and racists, unless there's sufficient social pressure to keep them from behaving badly. Today's internet has large patches of social support for racists and trolls (stormfront, the alt-right, r/thedonald...), who certainly don't have any problem with saying horrible things on Facebook. That said, there are strains of trolling which could be helped by an option to dump anonymously sourced messages. Like the Lindy West troll sending emails addressed from her dead father, or Scott Adams signing up for a thousand sock puppet accounts to drop pro-Adams propaganda in strange corners of the internet...