Civilian review boards. Abolishing qualified immunity. Abolishing the practice of cops getting fired for some fuckery but then getting new cop jobs in a different district. Abolishing civil forfeiture. Disarming cops except for highly specialized and carefully managed units. Training in de-escalation and enforcement of its use. Employment of mental health crisis agents when armed cops aren't warranted. Abolishing no-knock raids.

These are just the policies I could think of off the top of my head that would go a long way to improving the police problem. I imagine there are tons more. We could try to implement any or all of them and see immediate improvements. But instead people go straight to "abolish the police / ACAB," and suddenly there's no such thing as a discussion anymore, just pro- and anti- groups screaming at each other.