Edit: Interestingly there are 3 unknown country codes in the list of deisted regions previously, so optimistically it might just be them correcting it and they would start selling world wide again.

Also some people say this might put them in violation of EU laws, but I'm no law expert nor an EU resident.

Edit 2 [update]: screenshot from someone who got denied a refund. Looks like it's confirmed to be Sony's decision.