Students go to university for a variety of reasons: academic interest, future career, or social life. First, many students attend university to study a particular subject in depth. ... Another common reason for going to university is that a college education often leads to a better career in the future.
The narrator claims that humans do a lot of that same stuff, too. Humans kill others (both people and animals), steal their stuff (just the people), and eat them (just the animals).