IMO the family has been living in denial regarding John Mark for a long time.....Poor little John, his mother tried to kill him. We'll buy him a sports car to make him feel better.
He quit high school
Dropped out of college instead of facing a disciplinary board.
Chose flight instead of misdemeanor charges.*
He's never had to accept any kind of responsibility for his actions...and if true to form those actions became worse after each.
IMO A spoiled child raised with NO parenting.
* Not to mention the proported drug use and relationships with minor girls that he was never held accountable on.