Atleast Poilievre would be on a shorter leash than Trudeau

Unfortunately if Poilievre actually did get into the PM office it'd be on the back of a CPC majority - so he'd have a lot more freedom to act than Trudeau's current minority government.

We'll see. Could also be a Harper-like minority, getting support from the bloc. Trudeau also has a very supportive NDP right now, so Trudeau does have a lot of freedom currently.

I'll never say never but the current state of the CPC is so departed from mainstream Canadian politics that it's far more likely that BQ would side with LPC... and the NDP and Greens would basically have to have a melt-down to side with the CPC.

I think it's almost vanishingly unlikely that the CPC form government unless they actually achieve a majority share of seats.