The MAS offers numerous conveniences: 1. Just one account for a wide range of software. 2. Automatic background updates for all purchases without having to

The MAS offers numerous conveniences: 1. Just one account for a wide range of software. 2. Automatic background updates for all purchases without having to deal with lots of sparkle updater dialogs. 3. Easy access to all your apps on any of your macs. 4. Easy reinstallation when you move to a new machine - no hunting around for license keys etc. 5. Confidence that the software is sandboxes and not malware. Your claim that the MAS offers 'absolutely nothing' is false.