Tourists stuck in a basement in Chinatown while a bust was going on upstairs!?! Fantastic! If that happened more often, maybe (just maybe) those "merchants" on Canal would be gone for good.

The reason why the postings are written with vigor, is that most visitors do not know the consequences of such simple action. Subtelty usually does not work.

As someone who stops visitors in the street when they look lost, it is incumbent upon NY'ers to help on all levels.