Oh I'm well aware, I lived in Alaska most of my life. It's not a place that mudbloods can really tolerate.

That's why they're going to use their newly arrived insects and the population explosion to build another megalopolis. It's what they were trying to do in the Ukraine, which has even shittier weather than Canada.

Above all, the mortals of the enemy desire a compliant population of slaves. Same reason the Chinese have been colonizing parts of Africa themselves.