FWIW I didn't get that impression. Seemed to me like the author, conscious of the women's holiday today, used the concept of social awareness as a segue into ageism.
> The organizers know how male and white the tech industry is, so they make a special effort to recruit a diverse speaker lineup.
Yes, the author was using social awareness to segue into ageism, but it is still factually incorrect (or at least highly misleading) to state that the industry is predominantly "white".