I have. I considered it in depth and did a good deal of psychological research on it. Then I went out onto the street and asked people; dozens and dozens of ordinary people, old, young, rich, poor...
Result: People really care about privacy.
You can read all about it in the podcast and blog I am not allowed to mention here.
What you're alluding to I think is the idea that people do not fully understand the link between technology and privacy violation.
Our view here is also biased. The idea that "people don't care that much about privacy" naturally gets bandied around amongst developers for whom profitable software designs do violate people's privacy.