Motorcycling used to be one of my biggest hobbies.
I live in NYC now. Drivers here are some combination of utterly selfish and mindlessly distracted. You can't even trust them to stop at red lights. It gives me a huge amount of pause riding here.
"Cars are dangerous, necessary in many places, but often driven by irresponsible people" is a huge problem that needs solving. Waymo seems to have been doing a pretty fantastic job at it.
And even if they couldn't figure out how to route around floods, floods are rare. They're still a net benefit to society.
Tbf, I think you’re just experiencing a downside of living in NYC. I’ve only ever been there as a tourist, but I wouldn’t ever dream of renting a motorcycle in the city for the reasons you mention.
For context, I live in a highly dense European country and I wouldn’t ride my motorcycle in our most densely populated city centers either. For me, a motorcycle is luxury transportation for when the weather is cooperative or I want to enjoy the journey to my destination. If I want an efficient commute, I’m gonna take the train into the city and enjoy the relaxed state of mind knowing I don’t have to navigate.
Drivers have waaaay too many distractions nowadays and I don’t trust most people to be paying attention as much as I want them to. At least out on the open highway, I stand a chance of getting away from them and putting distance between us. In a city, my options to create space often don’t make much of a difference due to congestion in general.
I hope you can find the opportunity to ride more in the future. :)