There is some small amount partisan support but not public support, massive difference. It might cost them the next election.

They aren't republican voters - there is sizable difference between the Canadian right and the US right. I think many Americans make this mistake (and Canadians too) - the republican positions on many things aren't that tenable to center of right (Canadian spectrum).

Also - There aren't many more things that are more toxic in Canada politics than Trump and Annexation. He single handedly handed the Federal election to the Liberals - it was the Conservatives who were going to win until he but his thumb on the scale.