First, I wouldn't equate those positions with US political parties: consider their views on climate change, for example. Second, some arguments are about the n

First, I wouldn't equate those positions with US political parties: consider their views on climate change, for example. Second, some arguments are about the nature of human nature. If you think it is human nature to give everyone a fair chance, you will conclude that most programmers being male must be because men are generally better at or more interested in programming than are women. If you think it is human nature that there are no great cognitive differences between men and women, at least when it comes to programming, you will conclude that women are being discouraged or otherwise being unfairly held back from becoming programmers.