I used a Windows laptop with touchscreen for a while. While the touchscreen was never the primary input method it was nice to have it for some operations where more interactivity was called for or just to give my hands a break from the mouse or keyboard. It’s nice just to have options.
Touchscreens on laptops only make sense to me if you can wrap the screen around completely, and use it like a tablet, like many of the lenovo yoga models allow you to do.