Why use a backdoor if you have the frontdoor, the walls, the roof.. and the entire server?
Censorship, Surveillance and Profits: A Hard Bargain for Apple in China - https://nyti.ms/3oAvIVH
> Apple has largely ceded control to the Chinese government.
Chinese state employees physically manage the computers. Apple abandoned the encryption technology it used elsewhere after China would not allow it. And the digital keys that unlock information on those computers are stored in the data centers they’re meant to secure.