This is a fight over whether a provider can be compelled to keep an encrypted cloud feature supportable in a country, even when the design says the provider cannot read the data. The standard response misses the policy leverage: the pressure is on the product itself, so the likely outcomes are a weakened feature, a regional shutdown, or a legal precedent that makes encryption support jurisdiction-dependent.
Apple’s Advanced Data Protection stores the keys on users’ own devices, which is why Apple cannot open that iCloud content. Apple has now filed a fresh complaint in the UK after withdrawing ADP for British users last year in response to a secret Technical Capability Notice that sought a way to access iCloud data; the new case goes back to the Investigatory Powers Tribunal.
If Apple loses, the precedent reaches beyond iCloud. Vendors that rely on end-to-end encryption or user-held keys could face the same pressure to alter features for one jurisdiction, even when no individual account breach exists.