Indoctrination is a bad thing because it doesn't teach anything; it just dictates. You can indoctrinate a person into false things equally as much as true ones. You're not teaching a child how to process morality, you're enforcing a doctrine of obedience. The result may be a child who is good and kind and loving, but for all the wrong reasons. Later as the child grows up they may end up resenting their upbringing and estranging the parents who foisted it on them.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'