In a word, &quot;permission&quot;<p>It comes from knowing street photographers and the flack they get.  People ready to beat them up (occasionally they do get beaten).  At times it&#x27;s men &quot;protecting&quot; someone.  At time it&#x27;s men themselves who feel offended.  Sometimes it&#x27;s women themselves who feel offended.  You also get people who feel flattered.  But overall they are simply &quot;subjects&quot;