Didn't the old Reform party and the Canadian Alliance contain some real wing-nuts though? I remember hearing that some of them were proposing a national referendum on restricting abortion, and several of their MPs got in trouble for making homophobic or racist comments.
The Canadian Alliance actually did even have an evangelical young-earth Christian as its leader in 2000, a Mr. Stockwell Day, whom you've probably heard of. He promptly went down in flames (despite him chanting
ad nauseam the line "it's within our grasp") as the Liberal Party got its third straight majority government. He wasn't the leader of the party for much longer thereafter. Throughout the campaign both his evangelism and his young-earth creationist views were big issues, and he was hounded endlessly for them.
Of course there are going to be fruitcakes elected in the very conservative sections of Canada, but winning in only those sections will bring you nowhere near the reins of power here - quite unlike America, where it can give you a large chunk of what you need to win nationwide.