Most adults would not dream of belittling, humiliating, or bullying (verbally or physically) another adult. But many of the same adults think nothing of treating their adolescent child like a nonperson. . . . Adolescents deserve the same civility their parents routinely extend to total strangers.
Laurence Steinberg (2011). “You and Your Adolescent, New and Revised edition: The Essential Guide for Ages 10-25”, p.18, Simon and Schuster