I had the same reaction!
But than later I walked around chinatown to look for him again so that I can shoot one shot at least
he is too interesting as a character to say no to the camera
Think I saw him before too... the last time I saw him he got a wool scarf around his neck in SUNNY Singapore!!! Err... the pants a bit too flowery for an old guy. But I do applaude him for his guts. Good form!