but it may force some changes that have been needed but never implemented. Unfortunately, the cost of retrofitting upgrades is often prohibited not just by cost but also by convenience. It's easier and cheaper to simply replace overhead power lines than to place them underground.
What NYC will see is that some taxis will be newer and really that's about it.
But your second question "What is the proper role of government in a disaster?" and that I think is important.
"The Government" whether State, Local or Federal is simply a clearinghouse and proxy for each of us. It is in reality nothing but an agent of each individual citizen and the proper question is not whether the "Government" should do anything but rather whether I as a Texan should help those living in NYC, NJ, MD, VA, IN, ...
Would I want the rest of my fellow citizens to help if my neighborhood was struck by flood or tornado or hurricane?
Anyone so limited that they can only spell a word one way is severely handicapped!