Maybe because he likes academia and values knowledge? I don't know, personally I could go out there and get a job if I really really wanted to, but at the same

Maybe because he likes academia and values knowledge? I don't know, personally I could go out there and get a job if I really really wanted to, but at the same time I love research and love studying challenging stuff. Some people go to University by choice, not because they have to obtain a piece of paper.