It's ever since the pg incident and reinforced by the github gate, the valley is in a "see we welcome women, women are great and we've always loved them" mode. Folks are already calling it "gender washing."
Let's hope it becomes one of those 'fake it until you make it' stories then...
source: [1] http://www.businessinsider.com/pregnant-founders-response-to...
[2] http://valleywag.gawker.com/this-is-why-there-arent-enough-w...