The problem with zero censorship is the loss of quality. Does free speech allow pro-fascist speech? If it does, the free speech is giving up its survival. It's like being Gandhi instead of JSDF. What we really need is governance with proper incentives. What happens to a whale that uses his/her power irresponsibly.

If you own a Dash masternode and make bad decisions, you are going to loose tons of money. In steemit you can get a bunch of up votes attacking someone and even self vote to award yourself some more wealth. There are many short term gains (including psychological rewards) and not everyone witness the irresponsible use of power. Only those who see the posts witness the bad actors actions.

So problems can grow in isolation and under the radar before biting everyone in the ass. The main problem is the lack of good governance. The bad actors can do the damage and cash out before even things start falling.