why?

Kotler was a product of the Hitler Youth. He was indoctrinated to use fear, violence and intimidation to control people. Kotler had his own self-esteem issues. He was unable to connect with people emotionally. His only emotional reference point was fear and intimidation. Kotler was afraid of looking vulnerable or even like a "normal" human being. He couched any real emotion behind his Nazi ideology. Kotler was afraid of being a genuine person with an individual personality.