I’m going to make an argument in this talk that dissent is valuable not merely to establish your moral dimension or to make a moral act or moral posture. It’s essential to scientific progress. So we can’t do without dissent; it’s not an affectation.
The best justification we have for killing fifty-six, fifty-seven, whatever billion land animals and a trillion sea animals every year is that they taste good. And so, in a sense how is this any different from Michael Vick, who likes to sit around a pit watching dogs fight, or at least he used to?