The traditional “Out of Africa” theory is being abandoned as weakly supported by evidence, in favor of a welter of other hypotheses.
“Science is a wonderful thing, but human zoos, scientific racism, and eugenics were shocking betrayals of science.”
I don’t think the study can claim all the things it does based on the evidence they have.
Engineers designing a car have to plan for all kinds of conditions the car might encounter.
Hammering home the lesson about “our own evolutionary history” was exactly the purpose behind displaying and humiliating an African man with monkeys.