They were banking on people interested in predicting their future medical needs based on genetic information. They found out that people would rather not know their future. The predictive value of genetic information is not well established except for a select number of conditions like breast and pancreatic cancer.
The concern in the future is whether insurance companies will require this testing as a way to control life insurance liabilities. Paranoia aside, your genetic information has no value to China or anyone else if it isn’t connected to your medical records.
They can’t engineer a virus that has a predilection for attacking hosts with certain genetic markers?