Of course!

If the post is “the only good X is a dead X”, I don’t care who is saying it, they shouldn’t be allowed to.

Well, you said hate.

You can say hateful things about a group without wishing them dead.

I said "make one group hate another", not "say hateful things".

The post that started this entire discussion wasn’t the POTUS merely saying games should be boycotted if people were not fired for taking the knee — neither FB nor Twitter stopped him from doing that — it was him using the words “the shooting starts”.