Because the point is to punish women for having sex. The point is to try and legislate their morality on everyone and punish those who don't want to accept it. \n  \nThis is the beginning of the American Taliban. \n  \nEDIT: I know this isn't the real beginning of this sort of mentality, but we are finally seeing much of what they have been building to since the 60's and 70's (and even earlier than that) come to fruition. 