I can confirm this, even my 65 year old mom, who can barely use her iPad to Facebook started talking about this and was worried. And among the people aged Gen-Y, this is a huge and important topic.
Understandably, my worldview is totally skewed: I consume HN, Guardian, and German media.. In my little world, literally every site I visit and person I know talks about NSA/Prism/UK. It is weird feeling, then, visiting other media