A common theme of conservatives regardless of sub-faction used to be trade liberalization.
Liquor sales isn't really a core or even a fringe government responsibility. Obviously tariffs and contract abrogation aren't examples of liberalization.
I reiterate that the best principle to follow when presented by protectionism is to respond by retaining and increasing liberal policies. I notice that despite talking about it a lot, there still hasn't been a lot of movement on internal liberalization. Our "Team Canada" leaders are trying very hard not to have to shed their own protectionist policies. On mega-projects, governments should be clearing regulatory burdens, not choosing winners and losers.
I'm expecting a backdown by Trump at some point not too far in the future ("declare victory and go home") when a face-saving excuse presents. It should be obvious that the mess created in the auto industry alone is going to produce intense pressures for an exception, and once there is one exception everyone else will be clamouring for one. I suppose with the 10% (lower) tariff on energy imports there is already one exception.