censorship

They combine, however, to produce the first thing everyone needs to understand about this ideology: it is a complete worldview with its own ethics, epistemology, and morality, and theirs is not the same worldview the rest of us use. Theirs is, very much in particular, not liberal.

I like this part. Coming from a libertarian point of view I have always had a bit of a grudge about how the word "liberal" has been used.