"Store apps would need the privilege to write binaries on your iPhone. How will that privilege be regulated to prevent abuse? e.g. what happens if a store starts writing malware?"
Thats the thing. Epic doesn't want Apple to have access/approval to anything. They want OS level access! It's in the court filings. So at that point Parental Control, agreements made with carriers, everything is out the door aka it's like buying an Android phone from some unknown company on AliExpress.
You get all these people screaming about how unjust Apple is! Everyone has been doing this for decades in different markets.
It’s not just off brand AliExpress Android devices that already show all those problems, it’s top line Samsung devices as well. As well as GooglePlay, I need to deal with Samsung’s shitty App Store, and the Oculus one if I want to use the GearVR.
You get all these people screaming about how unjust Apple is! Everyone has been doing this for decades in different markets.