Good call, and it's no accident that psychologists largely preach "self acceptance". Not all however, but as you said, many.
Psychiatry is an arm of the state as Thomas Szasz said, and modern psychiatry has its roots in the mind-controlling elite through the Tavistock Institute, who called their psychiatrists "the shock troops to change society". Look in Mind Control by Jim Keith for more info, chapter 4 or 5.