itf
itchy trigger finger
In my opinion if I were to stick the camera into someone's face on the street, it should be because of a very good reason, not simply my own enjoyment.
Why? Don't get me wrong, I like to have a theme/story or whatever, but this seems like you feel you're taking something away from people, and that that needs justification. Everyone has their enjoyments, most of those impinge on other people.