I don't think they treated the elk with "disdain," but it sure seemed like the shot was taken without regard whether the elk might be wounded by the first shot. ...
I would call that "disdain" for the elk.
I would tend to call it a another parent, who has likely not accomplished much in his life, living vicariously through his kids. Happens all the time. Pathetic all the way around is what I call it.
It is irrelevant what you think. What matters is the TRUTH.