Even that were true, which I do NOT concede, it wouldn't change the fact that rape has nothing to do with reproduction, which is why I've said repeatedly that all this nonsense you're talking about is irrelevant.
The rapist isn't trying to start a family. He isn't trying to extend his liniage or to create an heir. He isn't even trying to get his victim pregnant. That isn't what it's about AT ALL!
Of course, you knew that when you started down this entirely irrelevant rabbit trail in the first place.
Someone always decides that they're the one who is going to focus on the wrong thing. Might as well be you, I suppose.