Users have demonstrated repeatedly they’re unwilling to pay for anything when there’s a free alternative (broad strokes, obviously).
So some significant chunk of Apple’s users would use a 3rd party app store and experience would be down, security would be a nightmare, people would have all sorts of complaints and Apple’s reputation would take a hit.
So some significant chunk of Apple’s users would use a 3rd party app store and experience would be down, security would be a nightmare, people would have all sorts of complaints and Apple’s reputation would take a hit.