Apple's War against Bitcoin means they want to create their own Crypto

[tkbx]

No way this would happen. Too inconvenient for their users, too much work to develop, no real benefit for them.

If they did, though, it would certainly be:
a) centralized, or
b) closed-source and backdoored to start a miner botnet

[Dissonance]

I doubt the decision came from cook.  Mostly likely a compliance/ legal decision made from someone at least several layers down from Cook.  I doubt its even on his radar and probably not important enough for the APP store managers to bother him with.