Other People Are Paying Attention. e.g., An Argentinan Young Man Also Called AncestryDNA Out

He had both himself and his father tested, and he explained how Ancestry misrepresented that his mother — not his father — is an indigenous Latinamerican. 

If Ancestry were submitting an ethnicity white paper for a research-methods class, they would fail on the following criteria: 

1. Random sampling
2. Attempts to get groups of at least 400 to 1000 for minimum samples, including whichever control group they use
3. Attempted 1:1 ratios for their groups, including whichever control group they use
4. Deliberate avoidance of confirmation and selection bias