Even such Cain-and-Abel types as Raymond Hood, a hard-drinking visionary architect, and John Todd, the authoritarian teetotaller that Rockefeller hired as his chief developer, became good business buddies.
To continue the interpretation, the story of Cain and Abel may be taken as an illustration of the zero-sum game of primogeniture, as well as an allegory for the slaughter of nomadic pasturage by urban agriculture.