There's a reason places with little to no taxation are flush with funds.
Your anecdote is one data point, nowhere near enough to draw conclusions about the entire state.
Places with little to no taxation are not flush with funds. https://www.taxpolicycenter.org/statistics/state-and-local-t... The generally red, generally low tax southeast and southwest states have about half the revenue per capita of the generally blue, generally high tax states in the northeast and far west. Where did you get this funny idea that collecting few taxes leads to collecting lots of taxes?
Investment is accelerating in low and no-tax countries or regions while it is waning in high-tax locations. There is a growing realization that silicon valley is not all it's cracked up to be.
Simple incentive structures explain a great deal of capital movement.
There is still plenty of activity in CA & NY on a sheer volume basis but the barriers are high, the types of businesses are shifting[1] in a detrimental manner and the overall trend is declining.
Don't get stuck in a purely domestic perspective. Absentee ownership is rising in many major cities due to international capital seeking safe havens for preservation of wealth - empty dwellings purchased at high rates results in elevated prices for working individuals, ensnaring them in a life-long debt cycle. If CA & NY continue resorting to taxation as the primary method for increasing revenue, they will end up like Detroit.
Rome's final collapse occurred over the span of approximately a decade and offers a glimpse at what is likely to occur: taxes became oppressive and property owners simply walked away because it no longer made financial sense - the benefits are outweighed by the costs.
How much more revenue loss can be endured by property owners in NYC before capitulation? They can hold out for a while and everything will appear to be doing alright, then the stampede begins and collapse takes place so fast you'll wonder what happened.
[1] https://www.citylab.com/life/2018/10/how-manhattan-became-ri...
Taxes across the board became oppressive in Rome - it was corruption that funneled funds to those who benefited. Not all wealthy are the same in their quest for control and power, or lack thereof.
Coinage records show a rapid collapse in the economy after a long period of gradual decay[1].
There is nothing new under the sun.
[1] https://www.armstrongeconomics.com/uncategorized/west-is-imp...