Often the rich are happy to have the police not enforce the law and to do it with private security instead. Private security reports directly to their employer

Often the rich are happy to have the police not enforce the law and to do it with private security instead. Private security reports directly to their employers, the police have more public accountability. Also reduced property taxes mean less police for everyone, so you get the "I only pay for what I need" anti-tax rationalization of those who live in gated and guarded neighborhoods which is ultimately socially destructive.