Also once upon a time people knew what they were talking about before launching into a nonsensical speech filled with privacy cliches.
They are mapping public WiFi APs, public data, it's well within their right and that of other to do so. Offering an opt-out is just going over and beyond to appease the stubbornly misinformed.
Don't submit a direct link that crashes the whole browsers instead post a communication explaining the risks (also stop upvoting this!). It is also irresponsible since Google has a well publicized framework that enables responsible disclosure that this should have gone through first.
Made an account for this purpose, pay it no mind: https://news.ycombinator.com/user?id=pepperax