Anything can be criticized. That is the difference between a free and un-free society. Once that’s done, then the way to be immune from criticism is to kill a bunch of people. And congratulations, we’re all living in the barbaric splendor of a society whose intellectual life is ruled by the threat of violence. Or as Muslims call it, “Home, Sweet Home.”
Censorship is such an ambiguous thing. How does one define it really? It’s like trying to give a name to a cloud or a flower or an administration telling a private company that they really need to censor something.