I am not saying that this content should be allowed or disallowed. All I am saying is that one shouldn't have jurisdiction over any country. If they want to have it removed via official government channels. Just don't try to force it world wide.
Also you are falling into the trap of censorship. Once you start mandating it it is a very slippery slope. It starts with public safety and ends with attacks on journalism. I can't and shouldn't control what happens in Australia but in my own country I will continue to support free speech as it is critical for democracy.
Additionally Elon was not even mentioned in this article. I'm sure he knew about it but he didn't comment publicly. Just because you hate some billionaire doesn't mean he plotting.