I remember seeing then-D.A. Gil Garcetti on TV talking about this, and he was smiling about it, looking very proud of himself that this unjust law exists in CA. It was sickening.
Too bad someone doesn't name him the father of their child, don't think he's like it so much then.
Anyhow, that's why all men should always get a paternity test if they're not married to the woman and even if they truly *believe* there's no way there's another man is in the picture.