People making bomb or mass shooting threats get arrested all the time. You shouldn't have people fear for their lives.
Elon Musk himself argued this exact specific thing is included.
Nov 6, 2022, https://twitter.com/elonmusk/status/1589414958508691456: "My commitment to free speech extends even to not banning the account following my plane, even though that is a direct personal safety risk"
He’s described himself as one, and I can’t see a way to square the idea that he says he is a free speech absolutist with the excuse that free speech is hard to regulate in the real world. He’s either a moron or was incapable of understanding even first level consequences of his actions or he’s an actual moron