Do the people who offer to buy your house have armies? Are they keen on deploying drones and missiles against people who annoy them?
Maybe the orange man was just joking. Maybe it's all part of some genius strategy to increase the US' standing in the world. Maybe it's a clever scheme to boost the US economy. But from the point of view of the Greenlanders and the Danes it seems to be more like a visit from the mafia. "Nice country you've got here. It'd be a shame if something were to happen to it."
Sigh. Maybe I'm reading more into your comment than you meant. If that's the case, I'm sorry. If it isn't, I suggest that you stop to consider that your entertainment news may be someone else's threat of violence.