Nah. He’s an asset of his American handlers. Stephen Miller is the person driving this Greenland thing (but what are his reasons?), Trump himself would’ve forgotten that the whole island exists if not reminded about it. Now, of course, it has also become an ego and legacy thing for Trump and he can’t walk back without being somehow convinced that he won even without getting Greenland. But that’s going to be almost impossible with Miller whispering into his ear.