Earlier quoted context omitted.
10 billion a year of tax money can fund a lot of stuff. Just because it is a fraction of a 600 billion does not make it somehow better.
It is across the entire world, it wouldn't be used in the bay area. They already pay taxes properly for all the workers and buildings they have in the bay area, if that isn't enough then they ought to raise those taxes since they should cover the cost of operating there.
In fact, it's from places all over the world, significantly poorer places, where the money would stretch even further.
You're making it sound even worse.