It’s one of the first lessons we learn when we go out into the world as children.
Where else can you squirt strangers with water with no retribution
The people in the hills, per our guide, had nothing in their heads, because they’d never gone to school. The government could tell them anything. This ensured a steady supply of people needing training and interrogation.
One problem with living in a society where it is frowned upon to speak out against the government, is that no one can speak up about stupid ideas.