[Cardhu]

..or is the assumption that those 10,000 spontaneously generated?

...anatomically modern humans emerged from primate ancestors about 100,000 years ago

I am sure it was an oversight that you missed the explanation of the genesis of the 10,000

[Godzilla]

I am sure it was an oversight that you missed the explanation of the genesis of the 10,000

No, the report states "FROM" a population of about 10,000. There is no genesis listed.