The point is that 20th century anthropologists & historians had access to significantly less information and first hand experience than those in the 19th centur

The point is that 20th century anthropologists & historians had access to significantly less information and first hand experience than those in the 19th century. In 1800 there were between 50,000 - 100,000 Marquesans. By 1902 there were 3,963.