Personally, I condemn anyone who is a vocal activist in the "gender debate" in tech who does not speak up on topics such as this. If you are female and want to genuinely be treated as an equal in tech, you don't freak out over minor jokes, and when "one of your own" does, I believe you are obligated to voice your disagreement with the behavior, assuming you even think it is wrong, which might be an incorrect assumption. If you don't think it's wrong, I never want to work with someone like you. And if this mentality is at all common (I have no idea), purely from a risk management perspective, I would only hire females when they are massively more qualified than any male counterparts.

I don't like feeling like this, but with what little I know of the public female sentiment on these types of issues, fear and avoidance is the wisest stance.

Hopefully situations like this are vast statistical anomalies.