In isolation, I
might be inclined to agree with you. But taken in the context of programming culture as a whole, it was simply inappropriate. Go look at
http://programmersbeingdicks.tumblr.com and then read the story and tell me it still doesn't sound problematic to you.
Women really are underrepresented in programming in the US, so we don't even have the refuge of saying it's unprofessional but harmless. This talk isn't a huge problem in itself, but it is one tentacle of a monstrous beast of a problem.
And I'm not saying we should crucify Matt or even give him the stink eye, but I do think we should make it clear that we're not OK with that kind of talk.