The technology would certainly allow for it, but it’s increasingly clear that people aren’t all that keen on spying appliances. The IoT won’t work if people don’t trust companies, which is why consumers must have control of their own data.
This is important, because the data each of us considers sensitive can be different. It’s a matter of life or death to someone escaping an abusive relationship. And, as with any tech, we have to assume the IoT can’t be perfectly secured.