People who had children left at a higher rate than people who did not.
Women who had children left at a rate with a greater (additional or multiplier) increase over the rate of women without children than did men with children over men without children.
As far as I understand it even at these high perk Santa Clara/Silicon Valley companies childcare isn’t a given. There are waiting lists and other limits. They want to attract women, but they fall short on this aspect.
The real problems are A. the number of people who can actually do that is way below replacement rates on the current population and B. women are still dropping their workforce participation much moreso than men are.
[*] I don't think it needs to be biological parents, more that many-to-one day care, especially with rotating or inconsistent caretakers and especially the younger you get, is harmful to development, Theres a lot of research on "models" of parenting and child rearing and how effective they are at producing the "best" children by varing definitions of best, but classical day care is usually considered by most metrics one of the worst.
I know STEM PhDs who have left their field to get a bog standard devops job on account of it pays twice as well.
In my time on Wall Street I've had many colleagues with STEM PhDs. I can't think of a single one who is female.
They either went part time, switched to non-STEM careers or left the workforce altogether.
I've lived this myself and also watched many instances of it in friends and colleagues. Is anyone really shocked by the idea that new mothers might decide they'd like to stay home and raise their kids?
As a man, I'd almost have killed to stay home and have my wife keep working, but that's just not how it is.