If you're in finance, you earn enough to live in NYC

> imagine what happens to NYC when all the people doing the menial work keeping the city alive (have to) move away? Whoops, now everyone is going to drown in trash and feces!

That's not a "the poor middle class folks in NYC need help" story, that's a "the rich folks of NYC need folks to serve them" story. They're welcome to strategize however they like to incentivize people working there. Manipulative heartstring tug are not welcome however.