It's because his wealth and fame protects him

He can safely criticize Trudeau while living as a celebrity in the US.

His psychologist regulator can symbolically strip his license, but it doesn't affect him because he never intends to treat patients again as a millionaire globetrotting author.

The left's attempts at canceling him freed him from the monotony of socialist university life and instead raised him into the club of the elite, hobnobbing with the likes of Rogan and Dave Rubin.