Great, then removing parking will also reduce the homicide rate, in addition to starving the rats, speeding up the bus service, and keeping everyone from getting cancer and dementia. Really, is there anything that banning cars doesn't solve?
I take it you're talking about removing street parking altogether? If they just remove a few parking spots on each block for dumpsters, I can only see that leading to more tension and disputes over the even scarcer parking spaces. Why anyone would want to drive in Manhattan is beyond me.