It's not just that humiliating people, of any age, is a nasty and disrespectful way of treating them. It's that humiliation, like other forms of punishment, is counterproducti ve. 'Doing to' strategies - as opposed to those that might be described as 'working with' - can never achieve any result beyond temporary compliance, and it does so at a disturbing cost.
Alfie KohnPunishment and reward proceed from basically the same psychological model, one that conceives of motivation as nothing more than the manipulation of behavior.
Alfie KohnThe value of a book about dealing with children is inversely proportional to the number of times it contains the word behavior.
Alfie Kohn