Earlier quoted context omitted.
maybe they pity the students who are going to get cold pizza 2 hours late?
Maybe they should pity the human delivery workers who they are helping to put out of a job?
The development from human workers to robots mimics what happened in delivery of messages. When I was a kid, people would deliver telegraphs to your door - for a substantial markup. These days, e-mails get delivered to your inbox without any human in the loop, and for free.