Because cities without New York's policies saw the same drop in crime?
Rudy Giuliani got rid of all the annoying squeegee men that loved to shake down vehicular traffic. But now ... they're baaackkk "terrorizing city streets"!
http://nypost.com/2014/08/07/squeegee-men-are-back-and-terro... http://nypost.com/2015/07/19/squeegee-man-is-citys-latest-bl... https://en.wikipedia.org/wiki/Squeegee_man