To summarize the difference in mindset between the two places—San Francisco is living in the future and New York City is living in the present.
San Francisco creates and embraces new technology so much so that it feels backwards when the same things are not present in other places you visit. Scooters, one wheel boards, electric cars, autonomous vehicles, are all part of the scenery.
New York City has a constant stream of things to do. Few plans need to be made and people have a wealth of choices about everything. Collective enjoyment comes from discovering new cool things to do and every other place you visit seems quiet.