Seems like they have followed the rules, if not the spirit of them, since well before Brexit became a thing. Given that even the popular airports in the UK are

Seems like they have followed the rules, if not the spirit of them, since well before Brexit became a thing. Given that even the popular airports in the UK are owned, in large part, by a variety of non-EU interests I’m not sure how anyone can really argue the point from a legal perspective. Edit: typo