There were times not too long ago when there were Jewish quotas. Nobelist Physicist Richard Feynman was denied entry into Columbia and he went to MIT instead.
Nobelist Medicine & Physiology Author Kornberg was one of 3 of 200 Jewish applicants to get into medical school from his university.
Those universities/firms that didn't have Jewish quotas and discrimination got a good boost in performance over those who had quotas and discrimination.
If they women are only getting paid less at Google and not other firms then they should change firms. If other firms are paying less, then Feds should go after them as well and not single out Google. Any firm that pays women as much as men should be able to hire the competent women from Google.
In another part of the WSJ article, there is a complaint that most of the employees are male and asian or white. They should examine the portion of people attending top engineering schools: male and asian or white.