So nyc was already facing pressure to adapt to changing reality. We are in agreement. What says NYC will fail to do so? Does adapting only mean keeping up with

So nyc was already facing pressure to adapt to changing reality. We are in agreement. What says NYC will fail to do so? Does adapting only mean keeping up with increasing amount of tax revenue? Cities aren't (should be) corporations, less revenue (due to less residents to cater for) shouldn't be bad in itself. What prevents NYC from adapting to a new reality and be successful at it for it's residents?