For the last ten minutes I've been giggling like a little girl at this one. And as a bonus, it gets the neckbeards right in the jugular.
It's funny because their rage is totally impotent, it's not like they can argue the kids should be killed. They are born now and there is nothing they can do about it. Annoying lefties is obviously not a primary reason to have lots of kids, but it's certainly a bonus side effect