Best line in the whole article: “”This demonstrates, as with so much of science, that people have to make hypotheses based on the initial information, but as you get more and more information and better analysis, you revise and refine,”
Imagine....really following the scientific method.....
He did that himself, regarding a pumice artifact from the Egyptian New Kingdom — saddling on the idea that it was from Thera, and it turned out to have come from the Kos volcano which had its last eruption 10s of 1000s of years ago. :^)