Yes optionality is important. I’m unsure on the percentage but I’d be willing to assume 75%+ of Apple’s customers use iCloud backups and less than 20% use the new ‘Advanced Data Protection’ from iOS16. So most people are still storing their message history for Apple and other third parties to snoop-on.
Not to mention, even if you think you have the correct settings… your Nan who is still on iOS14 is still leaking your Christmas wishlist and your entire family conversation history, or anyone else for that matter that you chat with.
Anyone who doesn’t:
  • upgrade to iOS16 and enable new advanced privacy feature
  • disable iCloud backups
… is sharing your conversation history with Apple and all government agencies worldwide.
So stating iMessages are E2E encrypted is disingenuous at best.
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