How we perceive choice does affect behavior but it’s one of a myriad of things and how you perceive choice isn’t a choice either. Change occurs without requiring choice, even change by ones own hands. Nothing is squandered if it never existed. We will still behave and our behavior will cause changes, but it isn’t a choice how we behave. So any sexism, in the system of behavior we are all a part of, is a product, not a choice.