Earlier quoted context omitted.
Someone can be quite concerned by police violence and brutality, but still view them as essential for a stable society. (The advocates of reforming police organizations go in this bucket)
Indeed, but they've had many years in which to deliver and have manifestly failed to do so. Reform should of course be the first recourse when you discover a problem, I don't bulldoze my house if if I discover a leaky pipe or a crack in the wall. If you know there are massive persistent problems and you keep saying 'now's not the time, let's reform this slowly and carefully' then at a certain point you're just procra…
This is highly dependent on locality. I don't claim to follow broader national trends, but certainly things in the Bay Area have improved significantly in the last 2 decades.
e.g. SJPD has seen encouraging reductions in use of force over the last five years (https://www.mercurynews.com/2020/05/29/as-police-decry-georg...)