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That appears to be changing. These locals seem to think they're going to be able to lock up anyone they want.
They're also not talking about Musk; they're talking about anyone who dares to talk about this at all.
What the locals think doesn't change the content of international treaties.
As for locking up other folks (presumably people that are in the jurisdiction), not all countries have the same laws as the US. If someone violates UK criminal law by engaging in speech that is criminalized there, then they can be locked up. The Brandenburg v. Ohio test used in the US is a really, really high bar. It would not surprise me if speech that would be protected here might be subject to criminal penalties if made in other countries.
