The only result will be that the router of my neighbor, provided by his ISP, will happily reports the inside of my apartment.
Sorry, I can be excited for a radar-based controller for a console, but as part of wifi, I can't really find any legit use
Why would I care that my neighbor knows we're home and moving around? If they really wanna creep on us, they can already use IR cameras or audio amplification or laser mics or whatever.
There's always a more sophisticated way to do something bad. Why would that be a good reason to lower the bar for doing it?