What do you think would happen if we could no longer downvote comments? Would we just collectively turn into a cesspool like other social media sites?
The monetary reward helps to keep folks civil here, in my opinion, although if BernieSanders caught you talking anti-vax he would, likely, hit you with a flag. There are other topics which he bullies about.
You may enjoy a read of one of my last visits to FB. My account was officially deleted the end of December.