Oh, he forgot to mention that these theories don't apply to his life or that of his liberal, Ivy league collegues. Since they are so much better and wiser, their lives are still very much sacrosanct. Nothing to see here folks, move on.
Using their own logic what have they produced with the labors of their bodies that would sustain or benefit the physical well being of another human being or themselves for that matter. If the are utilitarian for what are they utilized other than producing green house gasses?