Actually it comes with a feature to zoom in and out. But it doesn't matter how clear the pictures are or even if it was taken from public viewpoint. If people don't want their pictures taken then you should leave them alone... enought said.
it's your responsibility to build a bigger fence if you don't want people to see what's in your backyard.
But why push people to the point of even building a fence? The fact that you would even consider this as a solution only shows they've gone to far.

An incidental Berlin wall reference, at that? Really?! Im taking the high road in this thread without even trying. Thanks to you, now when people hear "google"... they're going to think Communist Russia.