It's great for some niche cases

With my left hand, I poke the required bits of my corporate training modules. With my right hand, I rest my fingers behind the right side of my display and quickly click the "next" button. I get through training in record time.

This is the only time I use the touchscreen on my (non-convertible) laptop. It seems like touchscreen is most useful when you have big enough targets spread out over the page. Most software I use isn't designed like that. Aiming for the restore button may result in hitting the close button...