Does Apple make money from the App Store? Last I heard it covered its costs and Apple made from from selling extremely high margin devices. Also, how do you re

Does Apple make money from the App Store? Last I heard it covered its costs and Apple made from from selling extremely high margin devices. Also, how do you reconcile the idea of an Apple who wants to maximise profits from the App Store with an Apple who limits what apps can be sold through that store? They're literally turning down paying customers in the App Store because they think it'll hurt their real business, selling devices.