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.
If his headphones are in while you're serving him, then it's both.
They're like prison bars for your bandwidth!
It's possible I exaggerate my weekend plans from time to time in order to make myself seem more exciting to coworkers. OKAY YOU GOT ME.
Here's a fun way to pass the remaining hours at work: see how many times you can remake this comic by changing the name of the company and their disingenuous use of asterisks!