ipaddr is right that he described the actual situation with FAANGs scooping up all of high caliber underrepresented minority candidates (think black/women ivy league comp sci grads with high GPA).
But this also creates a positive feedback loop when more and more women decide to switch industries and pursue IT/Engineering jobs via bootcamps, college degrees, etc. I noticed the number of female candidates in UX/UI, fullstack, QA, Data Analytics - has increased in last several years.
Partly because the demand is still high for these professionals, partly because there is entire cottage industry of bootcamps churning out IT specialists en masse, partly these diversity hiring practices that opened up doors for women