Its a heretical argument, and some people, unfortunately, will use it to assert the cultural superiority of Europeans.
What is this guy saying?
How does someone like this get hired at the Smithsonian?
Politically correct people like this Smithsonian guy do not pursue the truth. They only accept that which supports their erroneous theories.
Glory be to God! I always knew my Irish ancestors were the first to set foot in this country.
Bozo is basically saying, "OMG, no! Don't say the DNA is white! Aborigine, Eskimo, say it's Piltdown man's first cousin, but don't say it's white!
And of course, Bozo, himself, is white, and his theology is being rocked. That is, nothing good comes from being white which is why the whole third world is beating feet ASAP to get into white majority countries.
More white bashing. It's only pc to bash whites and Christians.
That's "science" for you.
Actually, it's a requirement. It's one of the mandatory components of what's called "white guilt", a.k.a. "cultural sensitivity", that all prospective Smithsonian's must suitably demonstrate before being hired.
It's a(n) heretical argument".
Heresy is dissent from revealed truth. He's saying that the non-superiority of Europeans is a matter of religion (his religion), and therefore not susceptible to proof or disproof.
He's also saying that those who collect data are heretics, and (presumably) therefore subject to the sanction of the "religious" authorities, which sanctions so far (fortunately) are limited to witholding of grant money and non-publication of papers, leading to nonpromotion and exile to real jobs.
Of course, as idiots like this import more and more of their co-religionists from Mexico and elsewhere, the sanctions for real scientists may become more severe.
What is this guy saying?
He is nervous because there is solid proof that runs counter to the "politically correct" answers and agenda that has been forced down everyone's throats for half a century or more.
Remember it was the Smithsonian that tried to change the history of WWII a few years back!