Have you seen his post? It's not in the linked article. If not, how do you know he called anyone out? He's reported as telling the court that he did not name or refer to the prime minister, contrary to the police's statement to the court.

Guest?

He was born there, it’s as much his country as the UK is now. Citizenship isn’t everything.

On the one hand, if you're walking into a totalitarian state and criticizing the ruling autocrat, then sure, that's a skill issue. That's not supposed to be how it works in countries that at least purport to be free. At the very least, we can at least be frustrated at the false advertising.