No, that's sick. Civilized states like New York don't execute people, only the federal government can do so here (in an arguable violation of the "states' rights" that Republicans hold so dearly).
I'm sorry we can disagree then, but if somebody ran over and killed one of my loved ones and seven other innocent people purely because they despise American's, I'd want the death penalty for that person.
You can want it, and say it, but not on Twitter and that was the point. He probably got temp banned for violating their Code of Conduct in regards to Hateful Conduct.