A little trivia about this monologue: Quinton Tarantino wrote this in the movie as it is his own opinion, but didn't want his own character to say it for fear of backlash at the time. Remember this movie was made before everyone was expecting a tip like they do today.

Is that really what you think is all they do? I've run restaurants and they're like what nurses are to hospitals, the ones doing most of the work. Everything from cleaning the restaurant to stocking everything, keeping the cooks happy and helping in any way they can