J.D. Haltigan is a developmental and evolutionary psychologist who writes the Multilevel Mailer on Substack. His research and writing focuses on psychopathology, social media-induced mental illness in the young, and the psychological phenomena underlying Woke ideology and the culture wars. Lately he has been writing about the negative effects of traits like compassion and empathy when not balanced and held in check by trait systematization. J.D. has also written a review of Andrew...