

Strategic control of the melting Arctic, half of which is bordered by Russia and the other half by Greenland and Canada, both of which Trump wants to invade. Also a foothold in Greenland would be useful in an assault on Canada, whose resources both Putin and Trump want. Canada would be fully surrounded by the USA and Russia.
I don’t think you can hold it against a prominent academic and critic of fascism that he doesn’t want to stick around and see what the fascists do to the universities, the philosophy departments, professors like him, and their families. And, believe it or not, here in Canada we have good universities that aren’t under threat, and probably just as much access to US news as you do.