Earlier quoted context omitted.
> prevent the UK authorities from interfering with their activities I'm still missing how this could be enforced ? To my layman understanding, this reads the same as if China said : "Meta, Tesla, Valve etc has entities in China therefore we get to see all data they store in the EU and the US. The UK has Zero jurisdiction in Ireland for example where a lot of EU data may be stored.
> I'm still missing how this could be enforced ? By banning Apple from doing business in the UK. The US used a similar strategy decades ago to break Swiss Bank Secrecy laws (either Swiss banks had to give up the info or they were going to be kicked out of the US).
As someone else here said, Apple would 100% call this bluff. And you can be certain the UK won't have the US to put pressure on Apple for them. All the would happen is the UK Apple users would be with an expensive paperweight.