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.
Either that or an applicant wanted to cut down on the competition.
When the proles at the disposable cup factory gave up on communism, they obviously converted straight to satanism.
~Office Lackey Jack