Please stop saying things like this. Ironically, this is a "HN-ism". It is first a misunderstanding of people, and secondly a misunderstanding of privacy.
People care about their privacy when it comes up. Until people start being personally impacted, not much movement will happen. Saying "your facebook data was leaked to some analytics firm" is not going to trigger much panic. Saying "your credit card was stolen by hackers" would, which is why people reacted much more voraciously to the Target breach, than Facebook.
A better comparison would be something like “that hotel you spent a week in has a hidden shower camera and an employee has been found secretly spying on guests”
Part of this is also the complete and utter failure of good journalism on tech issues. This is HN, we are all technologists here right? How many times have you read a NYT, WaPo, or some of the newer "media" like HuffPo reporting on some tech only to facepalm at the number of woeful inaccuracies and misrepresentation of the facts or situation, yet we are to trust them to report on complex privacy and security issues effectively? It's Gell-Mann amnesia over and over again.
This is a blanket statement. I’m not convinced the rate of people who don’t care about their privacy varies significantly with age.