Well....
I certainly got much more response than I was expecting from my little rant! After a little more investigation I discovered (much to my chagrin) that I am just a naive noob who knows sh*t about anything related to privacy. Thanks to all who have set me straight (seriously), and a very special thanks to "Ian 1984". You should take that act on the road...

Well, sure, but isn't that kind of like saying that there's no privacy in the home because someone could look in my windows? Or worse -- if I had my blinds drawn and was in a room without any windows that someone could break in and watch me and so my home is inherently public?
A spurious argument. It's not the same. If you're at home, you can look out the window and see them coming.