I don't know how many times I have to say this: I never denied science as a whole.
There are a lot more factors that go into what motivates us besides instinct, as I previously said. If you feel that instinct is your only motivator, not your experiences, then yes, I definitely disagree with that.
It's an overly simplified cop out to excuse bad behavior, and gives people zero accountability for their actions because it's all "unconscious."