"ruled out"?....I think it's been more like (up to now) many doubting that one bit of circumstantial evidence was enough...that's why this latest breakthrough might settle it.

(I HAVE seen folks that made me wonder...*wry smile*)

We have, relatively, so few examples of our various ancestors that only general conclusions can be drawn about dates and lines of inheritance. DNA, when available, is about the best indicator we can get. It can sure help us rule OUT some things, anyway.