Once your DNA is in some random company's DB it's there forever and available to whoever has the money
> it's hard to think about what harm can be caused by sending your DNA to... anyone.
Oh yeah ? Is this something that was determined by some kind of god and will be true forever ?
https://theconversation.com/life-insurers-can-charge-more-or...
> In Australia, life insurance companies can legally use the results of genetic tests to discriminate. They can decline to provide life insurance coverage, increase the cost of premiums, or place exclusions on an individual’s cover.
This is how they found the Golden State Killer. He left some DNA in the 70s. Worthless for a long time. But, a third cousin of his did a DNA test with a company, and the company provided the data to law enforcement, and they worked backwards to the killer.