Are you sure we are talking about the same book? The subtitle is "How the Great Rewiring of Childhood is Causing an Epidemic of Mental Illness" The people who

Are you sure we are talking about the same book? The subtitle is "How the Great Rewiring of Childhood is Causing an Epidemic of Mental Illness" The people who diagnose, treat and study mental illness are psychiatrists and clinical psychologists. Haidt is neither. Epidemics are studied by epidemiologists. He's a moral/social psychologist. Sure he can talk about social relations and peer pressure. Whether or not he promotes peace and well being has no bearing on the scientific merit of his claims.