Everyone will still have to use Apple's store, especially given Apple PR makes sure to promote a cult-like adherence to anything Apple. Even fortnite couldn't s

Everyone will still have to use Apple's store, especially given Apple PR makes sure to promote a cult-like adherence to anything Apple. Even fortnite couldn't survive outside the Play Store. It doesn't happen on Android, why would it on iOS? The only thing a 3rd party store support will do is to ensure Apple couldn't abuse FOSS apps too much in their review process.