"Where are all the women? Why aren't there more women?" conversations come up very often and usually include women going "x, y, and z" and then being told "naaahhh that *can't* be it..." (see this thread, for example). The only difference I see is that the denial probably won't happen.
I think Val's got things pretty well covered in that guide as to laying out what, exactly, the problems are. I don't think some new and amazing thing has happened to make Free Software any less attractive in that time either. I expect it'll be a rehash of the same issues that are always brought up every single time. And I expect that whether or not the FSF puts out something saying "we found the problem! (it's what the women said it was all along...)" the people involved in the communities aren't going to just jump-to and become more welcoming.
All that ever happens is people talk about what's wrong. If time's left, they brain storm the same things every time about how to make it better. Then everything goes back to business as usual but with the people involved feeling all warm & fuzzy inside. It's a matter of lip-service versus actual change. Talking about what's wrong isn't going to fix the bad attitudes of many of the people who permeate the Free Software Community.