The British government is certainly not as authoritarian as those in China or Russia, but that doesn’t change the fact that it’s still terrible and restricts people’s rights. For example, you can be detained for as long as they want if you refuse to unlock your encrypted device.
Supose you live in USA, your chickens have a list of laws, those laws apply to USA. If you try to sell those chickens in UK or Europe you'll find that your company will not be allowed to operate, and if you continue someone will go to jail.
Maybe digital products have an easy way out, but apple is not digital and they may need to find a way to comply.