The Thule people of which the Greenlanders seem to have been somewhat separate for at least 4000 years, this likely focuses on the Greenlanders because it is ma

The Thule people of which the Greenlanders seem to have been somewhat separate for at least 4000 years, this likely focuses on the Greenlanders because it is made by a Danish University. I don't think you can say that the same is not the case for other arctic populations, they just have no research showing that yet.