Thanks Aaron for your response.
I am assigning positive value to both improvements in knowledge and increased energy use (via tapping of fossil fuel energy). I am not weighing them one vs the other. I am saying that without the increased energy from fossil fuels we would still be agricultural societies, with repeated rise and fall of empires. The indus valley civilization, ancient greeks, mayans all of the repeatedly crashed. At the peak of those civilizations I am sure art, culture and knowledge flourished. Eventually humans out ran their resources and cr