"The act bars the use of genetic information in health insurance and employment: it prohibits group health plans and health insurers from denying coverage to a healthy individual or charging that person higher premiums based solely on a genetic predisposition to developing a disease in the future, and it bars employers from using individuals' genetic information when making hiring, firing, job placement, or promotion decisions."
Do we honestly believe the law would consider the whole score tainted and unusable for all the named purposes? Would it have teeth to do anything about it?
Furthermore, it's easy to end-run around it like they've done with car insurance. Instead of raising the rates of privacy-conscious drivers, we'll raise everyone's rates and then offer "discounts" to people willing to submit to tracking. There, perfectly legal!