I encourage you to check out the following posts by @dantheman
Nonviolent Censorship is how Nonviolent Societies create Nonviolent Government
Censorship is impossible in a Free Society

Steemit, while censorship resistant, it isn't censorship free. It is resistant in the fact that the blockchain records and stores all information and can't be hidden. That doesn't mean that everything found on the blockchain will be easily accessible on the website.