Edge rank started penalizing negative engagement factors and in return started removing posts that people react negatively to.
This creates reality bubble
It is crowdsourced form of censorship. Effects of this edge rank change can be fatal to businesses, but also creates artificial bubble reality for the users, where the only thing they will ever feel on the platform, will be positive emotions.
Creating the Bubble of feel good internet
The effect of this edge rank change brought pain to numerous business owners! Are you one of them?
This means that Facebook has a long term strategy of keeping it’s user base engaged, while at the same time they will milk the shit out of them and their private information.
If you want to be popular on Facebook, avoid politics, and post a bunch of funny photos! Kick in your positive emotion update that matters once in a while.