More likely: https://bgr.com/2020/01/21/iphone-icloud-backup-isnt-fully-encrypted-and-its-the-fbis-fault/ https://bgr.com/2020/01/21/iphone-icloud-backup-isnt-f

More likely: https://bgr.com/2020/01/21/iphone-icloud-backup-isnt-fully-encrypted-and-its-the-fbis-fault/ https://bgr.com/2020/01/21/iphone-icloud-backup-isnt-fully-e... Also apple had your choice key escrow/backup for filevault backups, and it's the default option, which is how you deal with the above issue. Also a few key things are E2E backed up (keychain, health), so that reason hasn't stopped them before.