He totally did, and that book is excellent as an intro for libs to start possibly understanding why they're so indoctrinated, so long as they're willing to read something pretty dry. But keep in mind, Chomsky was a co-author of the book (Herman never gets due credit), and Michael Parenti's Inventing Reality is a much more entertaining (and arguably better) discussion of the topic that doesn't have the little sprinklings of anti-communism that MC has.