But now we have an authority figure saying 30-70, so I'll trust that over your 15-50. And yes I know why you didn't cite the 30-70, its because you disagree with it. You shouldn't say others use biased examples and then say you believe it could be as low as 15% without anything to back that up.

He didn't use a "biased example"; he used a prehistoric example based on premodern methology. The only thing we've established here is that he doesn't understand his own cite.

later

In other words, I deliberately cited someone on his side of the debate.

How much do I love that this person got promoted from woke social scientist to "authority figure" in the space of one Google query, though? Amazing.