No, the question is, why wouldn't anybody do it if it were possible? Are all investors (even female ones) so against women that they'd rather leave billions of

No, the question is, why wouldn't anybody do it if it were possible? Are all investors (even female ones) so against women that they'd rather leave billions of dollars on the table than employ women? That seems extremely unlikely. So it seems more likely that other forces than discrimination are at play, for example female job preferences (type of profession, flexibility, part time, location...).