When the proles at the disposable cup factory gave up on communism, they obviously converted straight to satanism.
~Office Lackey Jack
It isn't the waitstaff's only job to serve you. They're also interpreters that can skillfully translate a wide variety of awkward-speak.
Every ounce of the server's ability to deny and deadpan will be required.
Unless the M.A. is in servage, that is one very depressed Starbucks employee indeed. Oh well, at least they give benefits.