Calls for violence are not legal in the USA are they? It seems the only difference would be how fast each service finds and removes them? I am almost certain th

Calls for violence are not legal in the USA are they? It seems the only difference would be how fast each service finds and removes them? I am almost certain that, for example with the whitehouse event, all of the inspiration came from Donald Trump's tweets (in addition to things he said at the event), not on Parler.