I think the key here isn't broadcasting, it's storage. In the future (?) we might think we can detect Parkinson's or MS very early through voice/video/typing characteristics.

Your conversations were recorded, the data leaked to or purchased by a fly by night company hired by your bank, and now suddenly despite your excellent credit history you can't get a 30 year mortgage, you try to find a new job but companies are only offering 6 month contracts, etc.

It's hard to prove a database doesn't exist, better to encrypt the content beforehand and make it harder to create.