I think what he meant to say is "You're right, it's not acceptable to demean or generalize. However, the application in this thread is a joke and is merely a well-intentioned (though certainly crude) continuation of the joke that begat the thread. On behalf of men everywhere, I apologize for the lack of subtlety... It's clearly not a strength for, um, us folk."
Just reading between the lines. I'm good at that, because good text is just like a good sammich, and I sure know my sammiches.