I say, more power to him. I know lots of people with PhDs who aren't working in their degree field. May as well get a degree in something you love, since you may end up in an unrelated job anyway.
I'm still convinced that a chainsaw is a terrible anti-zombie weapon. You have to get too close to the zombies, you can run out of gas, it's heavy, and it sprays zombie blood all over you - instant infection.
Or, exercise and get a little will power.
Even a broken binary clock is right 01 times a day.
Hell, EVERY movie needs a song with NPH.