They took on a nationalist bent over a decade ago. They forbade foreign spouses of natural born Danes from even entering the country. Over a decade ago.

This is not new.

The Nordic countries were always very tenacious of their identity and homogeneity, and tensions between immigrants from the Balkans and the Middle East and the locals were always high. This is not new. There are less Danes than there are people in Massachusetts. It doesn't take much to make them feel swamped.