Earlier quoted context omitted.
What is the impact of having your DNA known? As far as I can tell the worst case scenarios are finding out you have to pay child support or getting placed at the scene of a crime. If those risks don't apply to you, who cares?
If you’ve got nothing to hide... then make it all public. Let’s start with your finances.
Every time I've used it they just laugh it off with "why would I do that?" and think I'm ridiculous.