Why not the opposite? Crime is down, policing is working: stop expanding police force size, keep budgets in place, and see what happens. We have no idea if it's

Why not the opposite? Crime is down, policing is working: stop expanding police force size, keep budgets in place, and see what happens. We have no idea if it's "more/higher paid cops" that's causing the reduction in crime, or other societal factors. At a certain point it's diminishing returns to continue investing in something to try and move those last couple percentage points. You're never going to have a 0% crime rate, no matter how much money you throw at the problem.