None of the app store rules are used as guiding principles for ensuring some higher goal. It's just a bunch of random rules that allow them to ban anything they

None of the app store rules are used as guiding principles for ensuring some higher goal. It's just a bunch of random rules that allow them to ban anything they don't like at any moment in time. Sometimes it's because of the whims of a particular app store reviewer, and sometimes it's to get rid of apps that compete with something Apple wants to do.