Good point, I'd only suspect harder to pick up residue from the porus paper than the smooth glass, and if the paper is made of wood then that is antiseptic by nature. It is true I seen paper menus I did not want to touch, it was replaced so long ago having sample of the food selection and the previous guest's choices on them plenty ... : ) At least some of those one paged ones work just by looking at them in contrast of touch devices mandating the tap and swipe to present things.