on those lights than they do in any other kind of behavior. That's what I mean by attenuated -- taking as a premise that all human behavior must be genetically derived, I can say that in some sense my propensity to prefer the taste of whiskey to the taste of tequila is genetic.
Evidence that I acquired this taste due to outside cultural conditioning and not my DNA would not falsify the theory, as genetics drive my desire to fit into the culture and the existence of the culture in the first place.
Might as well ascribe everything to particle physics for all that tells you about human beings.