A lot of photographers adopt a persona when out and about taking photographs because quite often people just don’t like having their photograph taken. If you let yourself become embarrassed taking a photo then the whole thing becomes awkward.
There are surveillance cameras everywhere so almost everything you do is captured on camera. An anonymous guy in Seattle has been out just getting in peoples faces with his camera and it’s interesting to see how people react. In a fast food joint you have multiple cameras on you at all time and this is ignored but as soon as someone carrying a camera points it in their direction they almost all get very aggressive.
Are they reacting to the camera or the guy holding it ? What was he wearing ? Would this have made any difference ?
He does push it a bit far with harassing people and entering private property but the points he raises are pretty interesting.