The Postman posts (manufactured) mass hysterical groupthink.

 Leftism has been spitting on first principles of American liberty for over 50 years that I can personally recall, routinely, in unsupported character assassination attempts on political enemies, who, very often, are defending just those principles against leftist attack.

Exactly what "Orwellian" describes.

"War is peace
Freedom is slavery
Ignorance is strength

...Hollywood institutional leftist chic elite gossip war for control of opinion is education.

Kevin Costner played a postman once, so...