He knows how to put on an act.
http://www.tmz.com/2017/04/11/united-airlines-doctor-david-dao-poker-player/
Maybe he was looking for a payout...but he did not deserve to be dragged from the plane.
It will be an interesting case to follow.
A. You must follow the orders of a flight crew.
B. Does that give the flight crew the right to call in police thugs to kick your ass and drag you off the plane?