So, women are being segregated before having any occasion to accuse men of sexism, and yet you claim that they would face 'no consequences' if they actually did?
Men are refusing to giving advice, because there is past history of women falsely accusing them of being sexist when they do give it. Your claim purporting that it never happens - i.e. 'before having any occasion' - skews the time-perspective. And is against the odds that male investors have faced, which is why they now clam up.
This is nothing to do with 'segregation' - that's a silly interpretation on your part. Investors are wising up to hold their tongue, than to let aspersions be (falsely) cast upon them otherwise.