It goes back to Gramsci (1920s, IIRC).
The average person figured out pretty quick (using common sense) that Communism wouldn’t work.
The solution was to get rid of common sense - they called it redefining cultural hegemony or something.
The concept of censorship goes way way back....
Kings and Popes refined it into an art form during the Dark and Middle Ages.
The woke zombies are just the latest version.