I don't have the background to evaluate how good this article's methodology is or is not, but 2003 is really, really a long time ago if we're talking about the

I don't have the background to evaluate how good this article's methodology is or is not, but 2003 is really, really a long time ago if we're talking about the confluence of archaeology and genetics. Again, not saying it is or isn't wrong, just that orders of magnitude more is known about this now than was known in 2003.