Originally Posted by malax
If you think the demise of the desktop PC is something that should never happen and needs to be prevented, you're lost in the 1980s or something. I expect that 5-10 years from now it's very possible that most household will have no desktop PCs and no laptops and they will be more productive and connected and happy than they are now. Technology advances and yesterday's keynote convinced me (and many others here) that Apple really gets it. They introduced dozens of new strategies and technologies that are all forward looking. To suggest that they have lost their vision or are hung up on UI eye candy today is pure ignorance. It is a great time to be a developer and we will see some amazing stuff in the coming months as people get on board Apple's vision.
The demise of the desktop PC, if it ever happens, will be no more preventable than extinction or natural selection. But I think nature (or the markets) will have the final say, not some pundit or self-proclaimed expert. For my (Mac) use cases, it isn't conceivable that iOS and related devices could even meet any of my current or near-term requirements. Although some users have settled for (and may be happy with) iPads or other tablets exclusively, they probably never needed a desktop (or notebook) computer in the first instance.
As for Apple's broader vision, who is arguing with you? I think Apple has great vision. I just think they have neglected very important components of OS X for far too long, like the Finder, the file system, networking and security. Other OSs (Slurpy, are you paying attention?) have made better progress on file systems (FreeBSD, Solaris, Linux, and even Windows), while HFS has stagnated. As for the Finder, it's still the best, but that doesn't mean it hasn't passed its sell-by date. Many users and developers have been chanting FTFF for over a decade. I really believe that only Apple can replace the Finder with something better - I just would like them to do that before they waste any more time playing with flat icons or translucent windows (which some would affectionately call "eye candy"). In another five years, maybe J Ive will have retired, and Apple will change the whole aesthetic back again. Security is still a concern, despite OS X's intrinsic advantages over Windows (which isn't saying much).