I agree, some of the stuff published would be seen as a total invasion of privacy if it was a car rather than an aircraft.
I once landed a corporate helicopter on privately owned land (with the owner's permission, the passengers were there for an arranged meeting with the titled landowner). A member of the public immediately marched up and took some photos of us. He then approached the aircraft and demanded to know who my passengers were!
Needless to say, he didn't get the answer he was hoping for; I simply told him I wasn't at liberty to tell him. He angrily stomped away, as if I'd paid him a terrible personal insult.
Try that in a a private car park.....(as if anyone would) and the answer might not be so polite; might be just two words, the second one of them being "OFF!".