Apple doesn’t control ‘all economic activity reaching 50% of Americans’.

You might change your view if you had correct facts. This is wrong on two counts. Firstly the amount of economic activity through the App Store is a tiny fraction of what you claim, and secondly Apple doesn’t control it because there are alternatives.

There are many avenues for delivering your streaming service.

You can deliver it via the desktop.

You can deliver it via the web.

You can sell cheap streaming boxes based on raspberry pi grade hardware.

You can create a storefront on Android.

You can deliver individual titles as apps through the App Store store.

There are plenty of options.