I mean he could say "we're gonna fire the whole-ass NYPD on January 1st". Because we both know he's gonna get walked back from the most liberatory position, so you might as well start with the most liberatory position possible if you're going into reformist politics, i.e. reformism benefits from the door-in-the-face technique.

What Mamdani can do, and I hope will do, is improve material conditions for enough new yorkers, that various city-council members will be replaced with workers that can actually start defunding the NYPD and reforming what policing is in NYC.

I mean if we replace "reforming what policing is in NYC" by "abolishing the NYPD and forming free community defense organizations in finite time" then yeah I'm with you. I always do hope that reformists like Mamdani get crumbs for the working class, but basically this always happens: