> We no longer live in a hunter-gatherer society. I have no use for bulging biceps. Pretty bad assumption. Exercise is important, as building muscle tissue st

> We no longer live in a hunter-gatherer society. I have no use for bulging biceps. Pretty bad assumption. Exercise is important, as building muscle tissue stimulates hormone production (GH, melatonin) that affect even cognitive performance. This guy has a pretty extreme reductionist view on things like health and nutrition. No surprise he's trying to live on a nutrient shake, after all.