Genetic information is collected by every Government in the world, but not all of it is stored safely or responsibly. Some of it is used for far more concerning reasons, and some of it may well belong to you.
The genealogy testing market has exploded in size in recent years, but where does your little DNA sample go when you've got your results? We assume it's destroyed, but that is often not the case.
Most of it, without your consent, is being shipped around the world and used for incredibly scary research purposes.