This sort of OS is usually uses and managed by people who at least think they know what they are doing. Besides, the same article mentions some hardware incompatibilities. I'm kinda lost here.
Price is a big issue.
You're damn right. It's way too expensive. Synchronization with the LAN is nothing new and by now anybody who neede that functionality took care of it by aquiring 3rd party products 4. Good power management has always been present on laptops and it is called the power button 5. Security encryption is a big word and a marketing trick.