What facebook needs is a dislike button and making it invisible to other users when it reaches 3 dislikes. That's how an organized society work. In facebook they only started with likes that's why bad post are amplified because there are engagement even if lots of people dislike the post.
Isn't that how you end up with echo chambers? I think something obviously needs to change, but giving the majority a button to hide posts they don't like from everybody on the site won't lead to more meaningful discussion.
