“we may or may not invade you every four years depending on how worked up ~20,000 swing voters in Waukesha County, Wisconsin feel about trans kids playing volleyball” isn’t really a good sales pitch for maintaining international allies.
Let’s focus on preventing Trump from forcibly acquire Greenland, with all the global damage it will cause. But let’s also be clear that if he succeeds, the position of a Democratic administration in 2029 will be to return it to Denmark. And our Danish friends should know that.