Just like people clamoured for 3D, right?
You can't force consumers to appreciate a feature by just insisting it's better. Touch screens won't move laptops just like they don't move all-in-one desktops right now.
Nobody wants to manipulate an upright screen with an outstretched arm. It's a completely unnatural thing to do, and the complete opposite of everything we've learned about the UX. Your hands need to resting when you're operating, or else all you're thinking about is when you'll be able to rest your hands.