They have the keys for your account, yes. The data is another story if you turn on Advanced Data Protection. In that case, they could access your account but the data would be useless.
They do not have encryption keys or a backdoor (that we know of) for your physical device. So if you don’t use iCloud and adjust privacy settings you can stay reasonably private on an iPhone. At least more so than on Android.
Apple has the keys though I less you use advanced data protection.
They have the keys for your account, yes. The data is another story if you turn on Advanced Data Protection. In that case, they could access your account but the data would be useless.
They do not have encryption keys or a backdoor (that we know of) for your physical device. So if you don’t use iCloud and adjust privacy settings you can stay reasonably private on an iPhone. At least more so than on Android.