>> The solution here shouldn't be technical

The solution can be technical, but only if it is also sneaky. Blocking or disallowing certain information is one thing but making that information worthless is better. A simple AI agent could pretend to ping all sorts of services. It could even do some light websurfing. This fake traffic would nullify any value from the real traffic, destroying the market that feeds this surveillance industry.

I see a UI that allows homeowners to fake certain people being in the house when they are not, either replaying traffic or a selection of generic bots that mimic the traffic of various cohorts.