True or false isn't necessarily something I think you could say in debates about human genetics, yet.
For now I say it was "handled" in that not only did he fail to demonstrate that female disinterest in engineering, compared to male, is due to inherent psychological differences, and I quoted a couple people far more qualified than me that reached the same conclusion (their statements are in the article. The Wikipedia page is another good summary)
Notably, Damore makes pretty much the same arguments against using race in hiring as he does gender, but failed to provide any proof for his arguments, he only really gave what he interpreted as evidence for his gender beliefs. There's little to disprove except for Damore's interpretation of results as being proof for his argument.
For now I say it was "handled" in that not only did he fail to demonstrate that female disinterest in engineering, compared to male, is due to inherent psychological differences, and I quoted a couple people far more qualified than me that reached the same conclusion (their statements are in the article. The Wikipedia page is another good summary)