His counterpoint appears to apply only to individuals and small bands; without density we never achieve industry, which brings us, well, the modern world and all its medicine, internet, refrigeration ... satellite-based forewarning of enormous storms and time to prepare against those and other existential threats to large areas.
People live to be 100 and happy and productive on largely grain-based diets, not thanks to the grain, but thanks to the modern world it allows. Pre-grain, we didn't live so long.
On balance I think grains are a no-brainer. Maybe there is some extraordinarily minor benefit to the individual not to eat grains, but, obviously, in light of the past 10,000 years of history, grains are fine for you and will keep you both alive and happy.
People live to be 100 and happy and productive on largely grain-based diets, not thanks to the grain, but thanks to the modern world it allows. Pre-grain, we didn't live so long.
On balance I think grains are a no-brainer. Maybe there is some extraordinarily minor benefit to the individual not to eat grains, but, obviously, in light of the past 10,000 years of history, grains are fine for you and will keep you both alive and happy.