The thrust of the article had nothing to do with PC as a violation of free speech, but rather a discussion of the social currency that can be cheaply bought by

The thrust of the article had nothing to do with PC as a violation of free speech, but rather a discussion of the social currency that can be cheaply bought by holding the right opinions (at least outwardly). The point about how not everyone can hold the high moral ground relative to everyone else is well made though, and the Nirvana analogy is perfect.