Just a stab at it. Call it a rough draft that was written as stream of consciousness.
You left out the important parts: the singing monolith, the invention of beer, discovery of iron, and the Conan vs the Lawyers paradigm.
“they mated with whatever they could catch”
Could be a little rough if they caught a sabre tooth tiger that day....
“We see the Holocaust or the Killings Fields as uncivilized by our modern standards because of how far we have come in fighting our basic human nature.”
The holocaust and the killing fields were just yesterday... or more to scale, ten minutes ago! You think atrocities are not happening today or won’t happen tomorrow?
The struggle was, is and will forever be between the tyrant and the people. And the tyrant won’t always be dressed as a hitler. He’ll camouflage himself in many different ways to get power over the masses. The fashion of today is “big brother” or Nanny, as in “nanny state”.
“Just a stab at it”
I’ll let Laz take a stab at it. He’s a better writer.
Thought: Morality based on what the human leader says may be good, but too often justifies his base interests (Islam’s changing views on adoption as family once Mohammed lusts for his adopted son’s wife). Morality based on a supreme power has greater backing, and you can’t disobey it when no one is watching because God always is.