Makes perfect sense to me.
It simply dismisses the idea of early humans as one step above "ape men" who go from tree to tree looking for something to munch on or at the very least pushes that vision way back into our evolutionary past.
The ability to formulate and execute a plan - ANY plan - is indicative of rationality.
Something is wrong here. War, disease, death, destruction, hunger, filth, poverty, torture, crime, corruption, and the Ice Capades. Something is definitely wrong. This is not good work. If this is the best God can do, I am not impressed.
-- George Carlin