I don't know much about this guy, but what I know suggests that his way of doing politics over the past decades is at the root of the polarization that, eventually, ate his political career. And that he's now complaining about.
"Former premier Jason Kenney resigns from Alberta legislature, cites concern over political polarization" https://flip.it/fXAPEK #abpoli #potcallingkettleblack #rabidconservatism