Just because a policy is effective in reducing crime doesn’t mean it’s right. And more importantly doesn’t mean it’s constitutional. Imagine how much more crime could be reduced with warrantless searches.
Two more facts:
The sharp drop off in crime in New York was the work of Bill Bratton who Giuliani installed as police chief and who basically invented modern data driven policing. Yes he also used stop and frisk but it was one of many policies he implemented and the crime rate kept falling after stop and frisk was ended.
On top of that even if stop and frisk was good policy speaking in such a dismissive manner of the people negatively impacted by policies that restrict our freedom is the province of nanny state totalitarians like Bloomberg.
There is no prize for 2nd place. You beat the heck out of them with everything you can.
It’s not about the facts, it’s about the perception and Trump understands this. I wish more people on our side understood that.