There is no one right way to parent a child beyond the basics of love and boundaries. Children are born with different temperaments and ways of responding to the world and what works for one child is wrong for another. Most children are resilient and will bounce back but there are a few who are particularly vulnerable to addictions, psychological disorders and extreme behaviour.
A common psychological principle used by advertisers is that repetition constitutes mental conditioning. Studies show that the more something is repeated to you, the more you will believe it.