Cities are becoming increasingly unaffordable and increasingly violent. I think that we are past “peak metro” and that the absolute refusal of many people to return to office work is going to result in an acceleration of out-migration from cities. This in turn will exacerbate other urban problems as the revenue base dries up and low wage employees become ever more difficult to find in urban areas.
NYC crime increased 22% last year. [2]
Chicago crime increased 41% last year. [3]
[1] https://missionlocal.org/2023/01/explore-how-crime-changed-i...
[2] https://www.nyc.gov/site/nypd/news/p00071/nypd-citywide-crim...
[3] https://www.illinoispolicy.org/chicago-crime-spikes-in-2022-...
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That said, the OP said "violent" and technically the increase was almost entirely non-violent crimes (e.g. theft).
Perception certainly matters -- perceptions of SF BART and MUNI probably are not helping ridership -- but the narrative that San Francisco has become an urban hellscape is not borne out by the data nor by my personal anecdotal experience.
If a homeless guy punches you in SF, would you really bother to walk to a police station and wait in line and waste a ton of time for literally nothing to happen?