Well, it might be an aversion to the Black|White designation of
  "Instinct Vs Reason" that the sociology departments are against.

  Or perhaps they believe that 'all is society", which would make
  sense from a sociological perspective. That's why we have _so
  many sciences_; each perspective is good when its in its depths,
  but each of the sciences has deep flaws. None is immune.

  If a single science could do it all, it would. But none can, not
  alone. But they each try in their own way.