Well, sure about the promiscuous sharing of stored data between private and governmental agencies. That’s a no-brainer, in terms of availability and potential, even if it isn’t always done until the authorities think they need it.
The question for “right now” is whether there is data taken that you don’t know about. When you get a routine blood test, every test is charged. Are DNA tests cheap enough that they are being run as a confidential freebie? I don’t think so... just yet.
The Cloud is currently advertising for your ^voluntary^ submission of DNA data. Note the several ancestry exploration groups such as 23&Me?