When you were handed everything and never had to actually work (brown-nosing Harper and schmoozing corpos aren't real skills), of course you feel entitled to everything and see everyone as obstacles or opponents.
He was so well-connected in the political world that he didn't even need to get a degree to win his seat at 25, and he finished it through correspondence only to secure legitimacy while running his political analysis business. He has had decades of insulation from the real world.