Totalitarian Propaganda can controlled well educated people by conveying the regimes beliefs, almost forcing it down their subjects throats.
So when it works it usually shows an "Evil" or "Enemy" of the state, and obviously without proper methods of evaluating the truth decent people will believe it for example look at the DPRK or Iran.
The argument Minow makes in his speech is about
The nation's children depend on television to entertain and educate them.
Answer:
The readers would understand Buffalo Bill's love for his nation. The readers would not know Buffalo Bill's feelings and thoughts. The readers would understand the facts in an objective manner.