Is a provocation to test the Danish reaction and to make people forget about Iran.

Is also a real risk of a faux flag operation to force the US army to enter the area "in defense of the US citizens that were just doing their drilling job and were unfairly attacked".

See: Rachel Maddow: Is this how we invade Greenland?!

https://www.youtube.com/watch?v=FGpC91qs8yA

This is a direct stab to NATO in the heart. And EU market is being closed for USA at full speed.