If we look at the old time sq vs the new time sq. the difference is the boosted security.
Security makes whole lot of difference. Policing and regular rounds to neutralize rough crowds will make the community safer. People can come to live here if they work late in new york city. They will not be threatened and it is also good incentive to hang out for longer duration and spend .
The new rochelle police can have some kind of knowlege transfer with new york city police to figure out what was done and was effective.