https://marco.org/2010/02/20/much-of-the-web-is-rude-thoughtless-or
Much of the web is rude, thoughtless, or chauvinistic. … Rather than rely on a crowd-based system of voting comments and up and down, we’ve opted to curtail free speech and employ massive deletions. Create an atmosphere in which trolling and idiocy is not tolerated at all, and it starts to recede.