It’s not a distraction, it is the cornerstone for US control in the North Atlantic. It backstops the US ability to defend the eastern seaboard and be able to strike Europe.

The US already has military bases and the ability to develop resources in the area. Denmark has been more than willing to cooperate.

The only reason you spend the political capital to annex Greenland is if you foresee a future where Denmark will not cooperate and may see the US as a strategic threat.

That’s all you need to figure out where all of this is leading.