The article quotes: "If you cannot prove your identity, your crazy rant on some social-media platform shouldn't be visible", which I think G+ tried to do. On m

The article quotes: "If you cannot prove your identity, your crazy rant on some social-media platform shouldn't be visible", which I think G+ tried to do. On mailing-lists, worst case there is "that guy", and you can filter them out. Maybe you'll meet at a conf eventually and work things out in person. On Twitter/Facebook, you have to spend a lot of time blocking people and trolls have full control of the platform.