All this said I'm more concerned about Automatic Content Recognition (ACR) on smartTV you buy in the store and never even realize it's phoning home with everything you watch...
You’re more concerned about privacy when it comes to TV viewing than medical data? What a strange hijacking of a serious thread…
Thinking more on this I think a business opportunity in the future will be companies that design hardware stacks that can go in random appliances that can gather usage information in the name of telemetry.
I give it +/- 5 years before an OTS coffee maker at walmart phones home.