Clearly not, because after all the effort, at least the valley has been making, it's still a cesspool of the same ideology. Even with VPs of dieversity and correct think
You're begging the question (petitio prinicipii) of whether initiatives have been successful. As far as I can tell tech is still mostly white and male. When it's not and ideologies are still the same then you'll have a case.
Tough to attract diversity of thought when you directly screen it out.