The whole foundation of Christianity is based on the idea that intellectualism is the work of the Devil. Remember the apple on the tree? Okay, it was the Tree of Knowledge. You eat this apple, you're going to be as smart as God. We can't have that.
Today enormous effort goes into convincing the American public that we're just consumers of media manipulation and sound-bites and spin doctors. That we care only about ourselves, money, and stuff. That acting out of passion and conviction doesn't make a difference. But all history shows that it does.