You have evidence of this?
Empirical data. If you want to cherry pick data clusters, that's entirely your call but it's bad research. Like I've said previously, I can write you a thesis on it, but you'd never read it. You'll just stick your fingers in your ears and go "Naaa Naaa Naaa Na Naaa, Not True..." then say "Bullshit..." post some links, and around we go again.
Unless you're coming in with a Victorian era cranial study you're wasting your time. He doesn't understand where you're coming from. It's a conspiracy see? He actually thinks that because we can line breed dogs, we