Fewer permissions needed for app private data, automatic clean-up of the files for an app, implied better security of said files because they're in a sandbox, controlled access to certain file data (location info in photos is only visible to the app that is the device default for photos), etc, etc.
Fewer permissions needed for app private data, automatic clean-up of the files for an app, implied better security of said files because they're in a sandbox, controlled access to certain file data (location info in photos is only visible to the app that is the device default for photos), etc, etc.