On the whole, I agree, and wasn't praising Windows 8, as a UX designer myself, it is a disaster, but then so has every build of Windows and yet it owns 95% of the market as of Friday January 4 2013.
Further, I was not advocating a switch away from keyboards and mice - choice is better. My best ever phone was the Sony Ericsson P9XX series, because you could choose between:
3. On screen keyboard
4. Mechanical keyboard
And the OS...