There is a very narrow border. For example, a person did not say: I'm going to kill you in the evening. He said differently: I think you should be killed, the world would become purer. What then?
He freely expressed his opinion, and, it seems, did not touch you. And someone with an unbalanced psyche will read it, come and kill you.
Didn't excacty that happen 4 month or so ago? A Nazi nut heard one of his racist heroes say that and killed somebody?
There will always be the. red for discretion and even arbitration. I have no problem with these things. We have senses that understand beyond mere text. The above things could be said in various ways.
As it stands now, the state is a horrible arbiter, and my sense has been pretty decent in this area. Most people's is.