This kind of walled garden in the 80s led to apple losing ground to microsoft and a chant for developers, developers, developers.
Microsoft was forced to provide options for multibrowsers and limit it's paint application from competing with photo editing software.
All of your problems are solved with opt-in to secondary app sources. If you want the apple approved walled garden, don't install the alternative and retain all the benefits of percieved security.
What's wrong with letting people install a different app store, and apps? Was firefox worse than internet explorer?
Microsoft was forced to provide options for multibrowsers and limit it's paint application from competing with photo editing software.
All of your problems are solved with opt-in to secondary app sources. If you want the apple approved walled garden, don't install the alternative and retain all the benefits of percieved security.
What's wrong with letting people install a different app store, and apps? Was firefox worse than internet explorer?