A single monopolistic store gives raise to all kinds of problems anyhow, at least unless it's _entirely_ controlled by a trustworthy entity devoting enough reso

A single monopolistic store gives raise to all kinds of problems anyhow, at least unless it's _entirely_ controlled by a trustworthy entity devoting enough resources to its management. Check how happy developers are with it. And you're enormously overestimating the security checks that are performed on apps.