"Oh dear, sorry, the WiFi you're interested in is one of the 0.53% to which we don't have current access credentials; sorry."
And if the Feds have access, so does every criminal, marital and civil litigant in every court of the land.
Not only that, but we have already seen how porous the Google security is with the various 'Chinese' intrusions; and thus who knows how easy it is for anyone else to make their presence felt.
Sometimes we find that some simple shortcut we take to make life easy ends up not just biting us on the arse, but taking said bodily part clean off.
Oh, and Mr Google, why is it I can't turn this feature off?