if all you want is for your apps to come from Apple's store and your payments to go through Apple's system, you would simply continue to use only those options and allowing other people to have other options would not impact you.
what you actually want is to force all developers to use Apple's distribution and payment systems, so that you can have every app and service from any provider delivered via your chosen mechanisms. that takes away freedom from developers and users who prefer other systems. it eliminates the market for anyone to make or use something better than your chosen options
what you actually want is to force all developers to use Apple's distribution and payment systems, so that you can have every app and service from any provider delivered via your chosen mechanisms. that takes away freedom from developers and users who prefer other systems. it eliminates the market for anyone to make or use something better than your chosen options