Their argument would be: the App Store has a home page and search results, both of which do have an advertising model, and competitors to Apple applications app

Their argument would be: the App Store has a home page and search results, both of which do have an advertising model, and competitors to Apple applications appear in both these locations regularly. They promote competition by allowing competition into the app store. Yes, it is the absolute bare minimum, but you also have to remember that the standards for anti-trust enforcement in the united states are extremely low.