It’s very simple. If you leave your wifi open and unsecured you are leaving the equivalent to your front door open. Anyone is welcome at that point. If you don’t want to be snooped on by the drive-by’s secure your wifi. This isn’t bad precedent by the FCC it is actually a good thing. contact ECC for assistance.
FCC’s Ruling that Google’s WiFi Snooping is Legal Sets Horrible Precedent | P&N Computer Systems.