Enabling the State to impose equality of outcomes, including closing the gender pay gap, would deny the individual power to pursue her own valued ends. Instead, it would substitute the ends of a politically powerful coalition.
Unfortunately, educating people about phenomena that are counterintuitive, not-so-easy to remember, and suggest our individual lack of human control (for starters) can seem like an uphill battle in the war of ideas. So we sally forth into a kind of wilderness, an economic fairyland. We are myth busters in a world where people crave myths more than reality. Why do they so readily embrace untruth? Primarily because the immediate costs of doing so are so low and the psychic benefits are so high.