I think you are correct there - the majority of the public don't care. They just try to get about doing their daily business and act the best they can under circumstances. So we just click "Accept" to any popup banner make it go away, accept "All cookies" 100 times every day, use Google mail/map/photos/drive and that all involves giving away data, even if in words we say we don't want to give data. So yes obviously the public by necessity act in a rational way, doing cost-benefit analysis. While a cadre of privacy obsessives have made my life worse by lobbying and having their bad ideas codified in the UL laws. Wrote about my experience in the UK medical systems here https://news.ycombinator.com/item?id=45066321
I think this might be a bit of a social bubble thing - I think it isn't a forefront concern for the vast majority of people.