2) What about your iCloud account and password that are required to encrypt, store, access, and decrypt the backups there? Is that not a factor worth consideration?
Your password is not a factor worth considering. You can ask Apple to change it. That means they have the ability to change it. That means they have access.
2) What about your iCloud account and password that are required to encrypt, store, access, and decrypt the backups there? Is that not a factor worth consideration?