Fair enough. The devil is in the details of course. But I am skeptical that the crime rates would drop if there is less policing since the crime rates are not caused by police.
About that...
>When New York police officers temporarily reduced their “proactive policing” efforts on low-level offenses, major-crime reports in the city actually fell, according to a study based on New York Police Department crime statistics.
https://www.latimes.com/science/sciencenow/la-sci-sn-proacti...
reducing the abuses committed by police department is a benefit to society, even if the reported crime rate rises (up to a point, of course)