I recently acquired one thinking it was going to be a cool and useful feature, and the only time I think to use it is when I brush away a loose cat hair and my cursor goes all over the place. And the tablet mode, I think I used it once as a novelty.
Those laptops with the reversible screen and the Surface are convenient for genuinely using the touch screen on the go to play simple time killing games while waiting in public without messing with the peripherals
The ones that are just normal laptops with built in keyboards and a folding touchscreen only ever got touched when someone was demonstrating that it was a touchscreen