I think it is misleading to have a big picture of an iPhone at the top, and talk extensively about selling outside the app store, when that isn't a realistic op

I think it is misleading to have a big picture of an iPhone at the top, and talk extensively about selling outside the app store, when that isn't a realistic option for iOS smartphone developers. You are forced to use the App Store for iPhone since the number of jail broken devices that can install other apps is too low. The author must be talking about Mac laptop/desktop apps.