My GF and I both have ThinkPad X1 Yogas. I rarely use the touchscreen, but I do like the digitizer pen for sketching out design ideas and such.
OTOH, she uses the touchscreen all the time. Even when something would be easier with the keyboard, like filling in a form field and just hitting Enter, she finishes typing and reaches up to touch the button on the screen. If anything can be done by touching the screen, that's how she does it.
It seems a bit strange to me, but she loves the touchscreen!
I can definitely see the digitizer pen. That's mostly why I like the idea of being able to use an iPad Pro as a secondary display. Sketching something with a mouse or trackpad makes my barely legible chicken scratch that much worse. I usually end up doing it on paper and taking a picture.
But different folks, different strokes. I have a ChromeBook with a touch screen that I never use. But I have a friend who, if I hand over the ChromeBook to look at something, their natural reaction is to swipe the screen to scroll, which is something I almost never do.
OTOH, she uses the touchscreen all the time. Even when something would be easier with the keyboard, like filling in a form field and just hitting Enter, she finishes typing and reaches up to touch the button on the screen. If anything can be done by touching the screen, that's how she does it.
It seems a bit strange to me, but she loves the touchscreen!