More evidence linking Evangelical Christianity with belief in female idiocy, etc.

In part one, I posited that belief in female idiocy —> rural brain drain —> rise of superstar cities —> urban/rural divide —> belief in female idiocy so on forever.

In part two, it occurred to me that female brain drain itself might be a contributing factor. Part three examined the role Evangelical Christianity plays in this cycle.

Now, in part four, I want to share some evidence I just came across that happens to support the theory I laid out in part three.