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.
He vows to forgive Gertrude for what she has done in marrying Claudius. He vows to apologize to Ophelia for the way he has treated her.
