It is also the EU Countries and Visas. Before I moved to Denmark I just assumed they'd just welcome Americans with money but you can't just have any job, you have to be paid by a Danish company, over a certain level or found a startup with very specific requirements, etc.

Danish immigration laws are also very strict. Most of our political parties have been competed to further tighten those rules over the last couple of decades. We literally have people advocating to leave the convention on human rights, since it’s getting in the way of that