These are extremely unfortunate.
*They were put up by a street artist.
The Sanitation Department is now taking them down. Mayor de Blasio has not condemned them.
I have travelled to NYC for business and pleasure and have always enjoyed myself. We took our children for Christmas 2001 after Mayor Giuliani requested people to "stay in a [NYC] hotel, go out to dinner and see a show" to help its economy after the horror of September 11.