> so you would have to declare a monopoly as “things I can run on an iPhone” as your position for that to work
Yes, that's pretty much it. A similar concern applies to Google and Android.
Does Ford have a monopoly position on the F150 because I can’t run Linux on it?
But you can install other OSes such as Graphene on Android phones, I dont think you can do that on iPhones can you?
https://grapheneos.org/