The NBA point was to prove what a meritocracy is. I agree that it is more difficult to have a true meritocracy in tech and wasn't arguing otherwise.

My point was that this piece contradicts the concept of meritocracy. Negro league baseball players could prove that they were good enough to join the meritocracy of MLB baseball, and ultimately they did exactly that. I'm seeing no such argument from feminists. What they are saying is that there are systemic, structural problems that prevent women from gaining representation in tech. This is a fair argument, but it still doesn't disprove that tech is (mostly) a meritocracy. 

Structural obstacles exist, but a white coal miner from West Virginia faces more obstacles to a tech career than an upper middle class girl who just graduated from Berkeley. Life is not fair, and neither is a meritocracy.

If women studied STEM instead of studying women's studies to study why not enough women were studying STEM, there would be more women in tech.