>And yet there's a huge number of businesses that do have presences in NYC because the tax revenue funds all sorts of things that make NYC attractive to businesses that can't be gotten elsewhere.

Most of which were present there because they set up a long time ago. The current environment makes it so that you pretty much have to get a discount to make it worth starting there, per the famous reddit comment:

https://www.reddit.com/r/nyc/comments/9wploz/ocasiocortez_bl...

>And businesses aren't actually easily-movable, not at all.

"Where they decide to locate new offices" is.