I think the fundamental flaw in the "we are who we are when we're born and can never change it so don't try" hypothesis, which posits this because "we can only

I think the fundamental flaw in the "we are who we are when we're born and can never change it so don't try" hypothesis, which posits this because "we can only do what our genes and lived experiences tell us to do", is that those genes and lived experiences give us the ability to change our programming, IE make a choice in changing how we behave, by adding new experiences of our choosing.