Earlier quoted context omitted.
not really sure what point you're trying to make here. You don't believe in biology?
Perhaps it was a reference to nature vs. nurture, and how they can both play a part in outcomes.
While nature vs nurture is fun to speculate on, when raised in criticism of another's work it is usually only speculation and otherwise unproductive. Also often ignored is that they are somewhat conflated insofar as people's nature creates environments that then (not independently) nurture.