In fact propaganda and repression are the only two products they manufacture and deliver with consistent high quality. Anything is fair. Your population is your pool of movie extras. You trot them out to play their part and you trot them back. Most do it because of fear, some believe the part.
Indoctrination is a sinister methodology.
It is the same in totalitarian societies. Parental rights come with humanity. Parents have the duty to nurture, protect and educate. With the duty comes the right to choose how you will do this. Freedom to keep the family united, to choose your child's education, freedom of conscience, freedom to practice and pass on your religious beliefs, to seek the best nutrition or medical attention for your children, are basic human rights recognized by humanity in treaties, declarations and local law.