How to opt out of this WPS?
If you rename YOUR Service Set Identification (SSID) to a specification you can actually opt out.
if your AP SSID is
itsMyWiFiWhyDoYouLogIt
you can opt out by renaming it to
itsMyWiFiWhyDoYouLogIt_nomap
More information here if you want to know how it is done. <Google Support Page>
The worst part is when you have to use this information for localisation you have to pay for the requests that you make to the Google servers using its API.
Lets see how the information looks like and how I can get the information for localisation from Google.