I guess that means you're happy with going back to the early days of Bratton's policing, then? By 2008 the battle was mostly won.
Assuming I believe your numbers (a stretch, but stay with me): do you have some other way of catching those 82,287 convictions? Or you just don't care?
The reason they were in minority neighborhoods is that that's where the crime is. And also where the crime victims are.