It's a false dichotomy. Point a) Some neighbourhoods have more police in them, because they have more criminal activity. They are almost always poor neighbourh

It's a false dichotomy. Point a) Some neighbourhoods have more police in them, because they have more criminal activity. They are almost always poor neighbourhoods. We want there to be more police, the same way we want more doctors in places where the sick people are (hospitals). Point b) Police officers have mandatory quotas - to fulfill those quotas, they go to places where they're more likely to make arrests, the same way fishermen go fishing where the fish are more likely to be. Because police work based on quotas, they'll bust people for whatever is easiest to catch while satisfying the quota criteria. If you want to be informed on this subject in more detail, the best resource I've found is interviews with Dr Michael Wood, he has a youtube channel and has been on Joe Rogan a couple of times.