It could, if only Apple had a monopoly but they don't
iPhone - not close to a monopoly
Mac - not close to a monopoly
iPad - not close to a monopoly
Apple Watch, Apple TV, headphones, iCloud - not close to a monopoly
The only thing Apple has "monopolistic" control over is *checks notes* their own proprietary operating systems
I hear you but it all depends upon how you define the “relevant geographic market.”
I notice you didn’t mention the App Store itself as a category, as it pertains to iPhone and iPad.
And as we now know from Europe, alternative app stores can exist on iPhone.
In the USA there is no alternative App Store nor alternative payment processors on iPhone/ipad. You can’t even use an alternative web rendering engine to WebKit in the USA. Apple doesn’t lock down the Mac but yet it locks down iPad which uses the same exact Macintosh chips. Why?
By being the sole App Store operator and payment processor Apple is guaranteed a cut of App revenue. It can dictate terms and conditions and set prices that may not be the result of competition. In other words, pricing (the cut that App Store operator charges) on alternative app stores could potentially be lower than what Apple charges. Also, by being the sole operator of an App Store, Apple gets to dictate what apps are accepted or rejected. In other words, Apple gets to potentially restrict legal trade. Say an app developer wanted to sell a WiFi explorer app and there are willing buyers of such an app and nothing illegal about such an app. By rejecting such an app from the App Store, Apple is restricting otherwise legal trade. And that’s why government is getting involved. And if you look in the App Store there is no WiFi explorer app even though the phones can snoop available SSIDs and their respective rssi levels.
Sure you can say well just use android. But iPhone is no longer a new nascent platform. It is used by millions of people who depend upon it for communications, messaging, photos, and more. That is why the government is involved.
So if the relevant geographic market was defined as “the iOS/ipadOS App Store in the USA, as it pertains to iOS/iPadOS users” is Apple maintaining a monopoly? And if so, is that illegal ? An increasing number of countries around the world seem to think so. So I think it’s just a matter of time before Apple opens up and offers alternative app stores and/or payment processing in the USA.