Ideology gets the best of people and they don't want to believe.
Sure, there have been nadirs before, the 80's after all industry left and only some financial services were left downtown --there were vagrants and muggings but for the most part, if you kept away from the bad neighborhoods, you were unaffected.
Now, theft is rampant and unabated. It will take years to recover from "Defund the Police" and No-bail, charge drooping DAs. It takes time to recruit Police and good Prosecutors.