This (1) ignores the extremely strong network effects purposely engendered by Apple's chronic refusal to implement interoperable standards in any of their produ

This (1) ignores the extremely strong network effects purposely engendered by Apple's chronic refusal to implement interoperable standards in any of their products and (2) this is as much about app developers as it is about app consumers, and developers clearly have no choice but to meet their users where they are, which is on Apple devices. The other choice is going out of business.