1) You should be very, very careful about having a public opinion on coming out if you do not have personal (or more importantly relevant) experience.

2) We're in an era where the fears of tinfoil hats seem more and more reasonable. For you to write concerns off derisively in such a manner is completely out of touch.

3) Perhaps there is, in and of itself, nothing terribly surprising or intrusive about Google using +1s in advertisements. Focusing on that innocuousness is obtuse. It is as if you are pointedly ignoring the context of the privacy debate.

>a culture of privacy that is both unsustainable and dying?

This privacy culture is very alive. It is under great stress, but it is alive. What makes your viewpoint insufferable is that you don't seem to see the value in fighting for it.