I remember seeing a talk of the concept of privilege show up in the discussion thread on contrarian views.
Some discussion got started from "Feminism is a good thing. Privilege is real."
This is an article that presents some of those ideas in a way that might be approachable for LW.
http://curt-rice.com/quotas-microaggression-and-meritocracy/
One of the ideas I take out of this is that these issues can be examined as the result of unconscious cognitive bias. IE sexism isn't the result of any conscious thought, but can be the result as a failure mode where we don't rationality correctly in these social situations.
Of course a broad view of these issues exist, and many people have different ways of looking at these issues, but I think it would be good to focus on the case presented in this article rather than your other associations.
Because an unspoken condition of employment that prospective employees must stay single is a management technique made of win.
Errh.. Not. Good lord. would you want to manage a team made up of 100% celibate men? This is not a weakspot in the law, because it's not a runaround anyone sane enough to not already be bankrupt would attempt.
It might on the margin inspire people to hire more people in their forties and fifties, - people who have had any children they are likely to have, but from the point of view of the government, that's also not a flaw, but more of a "Secondary benefit free with just legislation".
They make awesome startups. Redirected sexual energy is powerful :-)