That throws out anonymity. I don't see this getting approved, or people signing up for such studies, apart from those who don't care that there genetic data get

That throws out anonymity. I don't see this getting approved, or people signing up for such studies, apart from those who don't care that there genetic data gets collected and stored. Even if there is no name saved with the genetic sample, the bar for identification is low. The genes are even more identifying than a name after all. Worse, it contains deep information about the person.