> Starting with iOS 16.2, iPadOS 16.2 and macOS 13.1, you can choose to enable Advanced Data Protection to protect the vast majority of your iCloud data, even in the case of a data breach in the cloud.
Interesting, so this is an opt-in (not default secure).
Probably concerns about people losing data. Probably the vast majority of people would rather someone gains access to their photos than having their files lost
It's currently opt-in, because a significant percentage of the user base is not running an OS version that can support the E2EE features.
When that percentage is high enough (a few years), I don't see why Apple wouldn't make it opt-out. (Default it to encrypted, you need to specifically disable it if you don't want it).
Interesting, so this is an opt-in (not default secure).