> No, you don't own the radio waves that pass through your property on licensed spectrum.

Yes I do, and I can put shielding on all the walls to attenuate them. Nobody can do a damn thing about that, other than relocate their transmitter or receiver so that the line of sight doesn't pass through those walls.

> And microwave ovens need to be FCC approved precisely to ensure they don't cause undue interference.

So, logically, since major name brand microwave ovens can completely jam Wi-Fi, doing so must not be considered undue interference.