Not a lawyer but from depths of GDPR meetings and implementation work years ago, my understanding was if you do not have any exposure in a given jurisdiction (typically office or employees etc) then you can tell them to get lost.
UK should not be able to regulate nature of photons being sent from outside of their borders.
If you physically transit through UK jurisdiction then they could arrest you through a Commonwealth wide warrant. Say, you go to the Bahamas then your name might pop up on the computer and you get collared and deported to Britain. If you're an executive then they will happily grab you.
It comes up in every thread about this sort of thing. It is basically true, although keep in mind that the UK is basically a “friendly” country to most of the other countries that are in the sort of… liberal/capitalist/democracy clique, so hypothetically it wouldn’t be that surprising if some of our countries ended up with some reciprocity some day for the fines or whatever.
UK should not be able to regulate nature of photons being sent from outside of their borders.
What am I missing?