If you're insinuating that progressive politics per se somehow inevitably lead to crime and urban decay, have a look north of the border.
What passes for centrist politics up here in Canada's major cities would make Berkley look like a conservative stronghold (at least in terms of economic policy... maybe we lag behind in biodynamic freegan wine co-ops). Yet Toronto and Montreal are by far the safest large cities on the continent. We absolutely have the same kinds of problems — homelessness, poverty, inequality — but our "socialist" welfare safety net and public healthcare have so far kept us out of the dystopian mess that seems to be unfolding in the US.
> but our "socialist" welfare safety net and public healthcare have so far kept us out of the dystopian mess
I've been to Vancouver a while ago and that's the first time I've seen open drug market and homeless camp taking over a city block. SF didn't feature such sights by then yet, that came later. Haven't visited since then - maybe something changed, but certainly the same dystopian mess could be found in Canada back then.
One thing to note: Toronto's police annual budget is about the same as SFPD's, even though Toronto has more than 3X as many people. In other words, SF has much worse pre-capita crime than Toronto, even though they spend 3X as much on policing per capita.