I find it's more like giving the key to someone to take care of in case you loose your copy. If you trust that person to store it securely and not to abuse the

I find it's more like giving the key to someone to take care of in case you loose your copy. If you trust that person to store it securely and not to abuse the power they now have it's fine. It's then a question of if you trust apple to be this "someone". If you don't trust them, then you should probably question if you trust the system at all given most of it cannot be audited.