Studies find that rage is the most viral emotion and this is basically a zero day exploit in human psychology. Nobody knows what to do about this! It means to fix feeds we basically have to go out of our way not to give people what they "want". www.nbcnews.com/technolog/yo...

As your social media emotions go viral, anger spreads the fastest

I can't find it right now but Facebook did an internal study finding that users will try to optimize content to be at the edge of what is allowed by Facebook's TOS because it's the most shocking/salient content(?). To 'fix' this they had to come up with a dampener curve that subverts users.