Don't worry, WiFi sensing will eventually remove our walls and curtains for free in that respect.
And if this were weaponized in a big way, you'd still have people leaving their wifi enabled, but complaining "why can we regulate this problem away!"
We'd probably see new regulations mandating WiFi 7, and making anything older illegal
Aluminum siding will make a comeback.
And if this were weaponized in a big way, you'd still have people leaving their wifi enabled, but complaining "why can we regulate this problem away!"