[1] https://twitter.com/BilldeBlasio/status/1234648718714036229
One is that, basically, he's doing the right thing now, whatever early missteps. That matters.
Another is contrast - being competent is, sadly, not a given with our current leadership.
A final one is just that US culture specifically and humans generally flock to leaders in times of crisis. He's being a leader, there you go.
Rudy "noun, verb, 9-11" got the same treatment until he started making noises about violating the term-limit rules, as much as folks hated him.
If by upstate NYC you mean Westchester County, that's still largely affected by the spread of the virus in NYC given how interlinked the two communities are.
Going by https://www.nytimes.com/interactive/2020/us/new-york-coronav..., NYC is the most affected per capita, with Westchester placing #3
Can the state government close airports and prevent flights from Europe landing in NYC?
NYC has the economy of some small countries and they do have the backing of the Fed, no matter what excuses Cuomo gives.
Trump has been such a complete failure, and demonstrated such complete ignorance, that any kind of competency shines in contrast.
We're at the point in American politics where "believing science" and "accurately quoting statistics" is a heroic stand, and people are jumping on the Cuomo train because he's a comparative light in the darkness.
I hope this means that people are motivated to vote in November and take their government back, and I hope that the US is prepared to vote in a safe and secure manner. Unfortunately, McConnell and the GOP are blocking any such efforts.