The problem is a social one and hasn't been properly solved by technical measures as you note. Instead of acting like the digital world is somehow separate from the rest of the world, we should have enough strong and effective laws and regulations that if a person steals from me, they can reasonably expect to spend a few years in prison.
The result of discovering a person has released a fraudulent product to the Google Play Store is currently that they get get their Google account shut down, maybe. The actual result should be that they find out what the inside of a prison cell is.
The result of discovering that a company tracks a user without effective permission through the use of dark patterns that meant a user pressed "I agree" under the misapprehension that this was the only way of using the app should have their shares acquired by the justice system at a penalty rate - or some other effective penalty so that companies don't balance the cost of obeying the law with the cost of the fine.
If Apple believes that their users want protection from digital thieves, Apple has a responsibility to lobby for better laws and regulations. They can't use halfmeasures as a pretense in the hope that some amorphous other will get laws that protect their users passed.
This is FUD. Linux works flawlessly despite giving all the freedoms. Typical users don't install anything outside the repositories. Apple has countless problems with security and privacy in their App Store.
eyebrows raise to the ceiling
> Typical users don't install anything outside the repositories.
head tilts nearly horizontal with the floor
"Flawlessly" is here being stretched beyond the breaking point, and anyone who is OK with only installing software from the official repos for any major Linux distro is not a "typical user", very obviously.
"Normal" users? They're going to want several proprietary programs, some of which will surely not be in even the non-free repos, unless they're an only-uses-the-browser type who'd be fine with a Chromebook (or, more realistically for that user profile, just their phone).
Power users? I have to assume my experience of often wanting or needing something outside official repos, or a newer version of something in official repos, is far from unusual. I'm not even that demanding a power user, and that's still a very common situation for me. What's worse is the more one chases system stability, the worse this problem becomes, since Linux distros mix the base system and user-facing applications all together (and the structure of x-window-system/wayland/drivers/GTK/QT makes it hard not to do this)
See also: Android is Linux used by the general public.
Many older models also would run mainline Linux fine, and the default Chrome OS install usually has a container and a Wayland to Chrome adapter behind a toggle.
[1]: https://unrelenting.technology/articles/FreeBSD-and-custom-f...
Having the option defeats the fundamental advantages their approach offers.
There are a lot of problems with Apple’s approach from an antitrust perspective and fair competition should be regulated through legislation, but there are good reasons for closed ecosystems to exist and plenty of great alternatives for people who want something more open.