Perhaps just as significantly, the study allows scientists to peer into the past of the Americas prior to the horrors of European colonization — which, due to genocide, violence and forced resettlement, marred our ability to study human migration.
Europeans climbing all over the Americas is human migration. True, advances into terra nullius have happened. But other than that human migration has meant genocide, violence and so on.
The Neolithic inhabitants of England fell to the Celts, the Saxons to the Normans. The Twa and Khoi San to the Bantus in Central and Southern Africa. The Ainu to the Japanese, there are autocthones in Taiwan. The Hindu caste system sets in place the Aryan (?) conquering of the south of India. And on and on and on.
America is different in details but not in kind……