It's becoming clear that Asimov's psychohistory reflects an undoubtable truth that all the world's different social networks interact in multiple ways to generate a single future. From people to corporations, cities to governments, all the pieces of society must mesh. What appears to be the madness of crowds must ultimately have a method, a method that science can discover.
From a brief article on Asimov's meshing of psychology and math in Foundation for those who have an interest.

Asimov's 'Foundation' theories on society move from fiction to academia - Jewish World Review, July 16, 2004.