Party MPs can speak up and vote their conscience when a policy is being formulated, but once formulated I expect Party loyalty
What the heck do free markets and agriculture have to do with Bernier's decision not to have his book published right now???
He won't have it published because his book offends anti-free-market conservatives.
He won't publish right now because he has quite a bit to say about Andrew Scheer who he ran against in the Conservative leadership contest. The party was none to pleased about beans he spilled already and felt it best they have a wee chat about his future in the party. He obviously felt his political career was a tad more important than getting back at the guy who beat him - at least for the present.
Bernier pulls book that accuses Scheer of using 'fake Conservatives' to win leadership | CBC News