GrapheneOS on Nostr: The purpose is making life harder for malware by adding a major UI barrier to getting ...

The purpose is making life harder for malware by adding a major UI barrier to getting dangerous permissions for apps not installed from a modern app store based on the concept that an app store using the modern package manager APIs is probably not filled with lots of malware. There is malware on mainstream app stores but in practice they're capable of preventing it from scaling up to huge numbers of users so lots of malware only exists as apps people manually install.