@leeloo @Life_is @CoMaps No, they're not regarded as personally identifiable information in this context. It's a publicly broadcasting radio station acting as a static landmark. Your opinion on it doesn't match the laws or what's enforced.
Broadcasting an SSID from a Wi-Fi AP is a choice. The _nomap system didn't need to exist and Apple wasn't breaking any laws by not respecting it. It's just something Google came up with for their own service and others aren't obligated to respect it.