[Drango]

I have taken multiple oaths where I solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic, that I will bear true faith and allegiance to the same;

I also gave them my fingerprints. They now have my DNA. Big (non)deal.

[Burkean]

When I lived in Hawaii for two years to get a doctorate at UH I needed state ID other than my campus one. Since I didn’t take a car with me I just got the state ID, for which I had to give my fingerprints. That was over 25 years ago and it hasn’t caused a problem for me. But I live my life far away from the line between legal and illegal, so I doubt I have never had to worry that I might be engulfed in an investigation because of my associations

[TurboZamboni]

I’d argue that a fingerprint does not contain information on heredity, propensity to disease, and all of the defining information of one’s physical composition. So, NOT really similar.

[microgood]

I also gave them my fingerprints. They now have my DNA. Big (non)deal.

The problem is not the DNA, but the DNA databases. Since they contain many records of partial DNA, there are a lot of false positives. People have been arrested on the West Coast for crimes committed in states they have never been in until they realized what happened. The odds of an error in complete DNA match is one in many millions, but it is in the one in thousands in DNA databases.