So underpaid and overworked entry level laborers aren't cleaning them to sterile perfection. Oh no. Shocker
Counter point: if the screen is covered, what makes you think the door handle those same hands are touching is sanitary? What about the table and chair you're sitting at? Other people sit there too, do you really think those tables are getting wiped down after every single patron leaves?
This is why we wash our hands before we eat.
This is a prime case for the abolition of intellectual property rights.