You don’t worry about an additional potentially malicious actor having your information because one already has it?
I got enough out of the deal (instead of nothing from the government) that it was in my mind an acceptable tradeoff. No one's about to start cloning me.
Your DNA is not secret. You leave it everywhere you go. You have no reasonable expectation of privacy for your litter when you litter. It's only a matter of time and of tech before everybody has a copy of everybody's DNA.
Lastly, security through obscurity is not something to be relied upon. But it can work for a period of time.