Or they may pull out of the EU area temporarily.
Either a bunch of hackers in NK are pretending to be iPhones, or some small lab of iPhones was marked as NK in the geo-ip database. But since the numbers are probably tiny 99% probably isn't too hard to achieve.
I'm not saying they would, but I do wonder if EU citizens would pressure lawmakers to rollback these rules in that case.
The Brussels effect is very effective!
The stock price alone would plummet.