Th short answer is no, Lloyd Blankfein did not arise out of Yippie pot-smoking 60s counterculture, no matter what silly op-eds in the New York Times say.
Louis Proyect dissects the sleazy attempts to blame someone else for the sins and crimes of the banksters.
The real analogy is not between the counterculture and the hedge fund sharks. It is rather between them and their paid propagandists like David Brooks. The banksters create fictitious capital, while people like Brooks create fictitious columns.