Louis Rossman said it in many of his recent videos.... new york has everything, but also costs alot. You have cinemas, broadway, restaurants, everything.... and you pay for that privilige. Now, when all that is closed, you have only the "bad" parts (the homeless, crime, noise, bad smells... all that with a "premium price")... so, why stay? Poor people have no jobs, have to move out.... rich people don't have anything…
How well a city takes care of these issues in the good times and has rational/sensible policies sets it up for how it will do in bad times.