I still remember when the original iPhone came out without support for native 3rd party software development, and Steve Jobs said with a perfectly straight face that the web is our SDK. Faced with the capabilities offered by native first party software at the time, it didn't fly then, (and that was on a phone, not a laptop), and I just don't see things having progressed enough in the four years since then for it to fly now. Maybe if they try again in another four years, when the state-of-the-art of web software and service creation and usage will have advanced a bit more, they'd encounter more enthusiastic support for this product. Hopefully, they haven't nixed the whole project by that point.