But they aren't because users aren't aware of this.
If users aren't aware that for-profit companies make money and one of the ways they do that is by adding margins to the prices of items sold, I don't think Apple, Microsoft or Google are your real problems.
Wait till they learn about how shops operate!
Users aren't aware that the only way to install apps on an iPhone officially is through the App Store?
Russia asked to block Putin's rivals apps. Google and Apple complied. The only people who could side-load it were Android users. I guess that's good for Democracy, right? because Apple said so…