Now you're just resorting to making false claims about what I've "acknowledged". That's not much of an argument. The App Store is Apple's IP. They want to control it. They don't want to control the internet because that isn't their IP. Both the App Store and the internet are available on the iPhone. You can download a free app on the App Store (like Spotify, like Netflix, like Kindle) and then pay for subscriptions/content on the internet. You can also view all the porn you want on the internet on your iPhone but Apple is not going to allow porn apps in the App Store.
The App Store will continue to be Apple's IP, and their complete control of said store would not be affected if hypothetical third-party stores became available.