Hacker News Reader

Also, before you send your DNA off... Keep in mind that these companies are not legally allowed to delete your data.

FTA: "It’s a lesson we’re destined to keep learning: Once you share something online, you can’t really ever unshare it."

Your genetic info is sort of like a trade secret in the USA, but without criminal sanctions when it's wrongfully appropriated.

Your claim contradicts both the article you linked to and the privacy policies of companies such as 23&Me and AncestryDNA per TFA.