Besides the idea that DNA can show from 500 years away that a person came from one or another side of a modern border is just not understanding how any of this works.
And the fact that this pseudo-science was broadcasted on national television is a disgrace for Spain and embarrassing for the Spaniards quoted in the article who are trying to do actual science.
- Analysis that is not shared to review
- Data that is not shared for review
- Broad assumptions that are quickly narrowed down to "facts"
- There is "more evidence but we can't show you because.... reasons"