I saw last month, how German gov wants to ban some kinds of conversations, words, and expects FB to take down posts.
Yes, there is a fight coming; when they figure out it's not really possible with the immutable database. That said, it still may be possible to require some users muted?
Some posts flagged and not shown in steemit?

It's a bit like Apple being required to provide backdoor to iphone, or a secure email company being required to provide contents of messages; "we don't have the keys" is the reply, and governments don't like that answer..