Complex sentence: Ritzer's managers mistakenly hired more people than was necessary for his job, leaving Ritzer idle and unoccupied, as demonstrated in this quote "If we had two hours of work a day, it was a lot".
Split into simpler sentences: Ritzer's managers mistakenly hired more people than was necessary for his job, leaving Ritzer idle and unoccupied. As Ritzer once said: "If we had two hours of work a day, it was a lot".