Barista Robin here. Where I work, we have the hot and cold drink cups stacked next to the register - probably standard procedure for most places, so customers can clearly see the sizes. However, the cups are within the reach of customers, and far too many of them feel perfectly comfortable touching the cups (usually on the brim!), lifting them, or even taking them off the stack to hand to me.
Whoa there, hon. Nobody wants your germs all over their cup, should you decide not to get that size. And I don’t like you reaching over and touching my stuff, and possibly knocking over a stack. I can get the cup myself, thank you. That’s part of my job.
Don’t. Touch. My. Cups.
Every fuckin time! I swear every time a customer touches a cup I die a little inside.