PJ2;
The expectation of privacy is very high when it comes to the introduction of video recorders simply because they WILL find their way onto You-tube, Fox News, CNN and other media outlets, none of which can be trusted with such information.
Yes that's a good point. And it shows that there are really several aspects to the question. One aspect is the collection of information per se. Another aspect is how that information is used and managed after it is collected. I think a pilot's expectations should be low with regards to the first and high with regards to the second... but as you say, once the information exists, it is very difficult to keep it out of the wrong hands.
On the other hand, many people, rightly or wrongly, insist on complete transparency when it comes to decisions and actions which are being made about their personal safety or any other aspect of their lives... but that's a whole debate in and of itself.