I'm sure the competitive drive to dominate (in generosity) plays a role. Look at the rivalry between Rockefeller and Carnegie for example. Once they grew old

I'm sure the competitive drive to dominate (in generosity) plays a role. Look at the rivalry between Rockefeller and Carnegie for example. Once they grew old and their companies either bought out (Carnegie) or broken up by the feds (Rockefeller) they basically switched to seeing who could get their names put on the most public buildings by building libraries, universities, etc.