Earlier quoted context omitted.
How would the ability to sideload apps force you to install apps outside of the Apple store? I'm not forced to use FDroid just because I have an Android phone. People aren't arguing that the app store should go away, just that consumers should have a choice. As an analogy, if I want OEM care for my car, I can get that. It's more expensive, but it offers me strict guarantees about where parts are coming from, and I do…
Just look at the PC platform Epic is coming from. It used to be just buying retail boxes, then Steam came along. Now it's Steam, Epic, Origin, Uplay. Personally, I hate keeping track of the separate apps and which games were purchased with each. So I avoid most of them even for games I want to play. Its one of the things that makes me prefer consoles. The current situation seems more anti-business than anti-consumer…
The vast majority of games are available just on steam, if having choice bothers you just pick steam or maybe epic (but steam probably has more) and ignore the rest.
This is a bizarre argument to me. Can you imagine if there was only one supermarket brand, or only one department store. Don't you think that might turn out badly?
If it's really DRM that bothers you then the only big option is GOG.