For those unfamiliar with NYC, street parking is free basically everywhere so the space cars take up is already heavily subsidized.
The most expensive waterfront property in the world is cannibalized by 2 coastal roads in West St & FDR drive. Unlike Europe, the roads are littered with massive SUVs, clearly out of proportion from the roads and built environment around them.
When alternate means of transport and cars interact, cars get precedence. There are no BRT lanes, especially on the crowded LaGuardia -> JFK -> WTC -> Newark corridor. Cycling infrastructure in Manhattan is under-developed despite being completely flat and the availability of a robust bike-sharing setup.