I put up with touch keyboards because real ones are not very portable. It's good enough to get by, but it's not good. The same with touch interaction -- selecting a range of text is an exercise in frustration. I don't want that interface on my desktop.
Just because a thing has a CPU and operating system does not mean it needs to have a unified user experience.
Just because a thing has a CPU and operating system does not mean it needs to have a unified user experience.