If the wealthy have found they can manage their lives and fortunes from where they are now, why go back? Some will of course, (many?) others won't. They can count on lower taxes where they are now, perhaps better living conditions as well. Shopping online works (even in rural WY) plus who wants to go to a crowded theater and sit elbow to elbow when the "Chinese flu" is killing people.
Add together the contagion factor of public transportation and crowded living, plus the unrest and property destruction of the Black Lives Matter movement egged on by Antifa, and the high taxes cities impose. Urban life doesn't look even as good as it did before, and at its best that was a mixed blessing.
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California has gotten away with blue state craziness because it offers so much in lifestyle options - ideal weather and virtually any terrain you fancy (mountains, seashore, desert, farmland). You can literally go skiing one weekend, surfing the next, and dune buggy riding a third - CA people do this and much more.
Californians put up with the high taxes and eco-nuttiness, or have so far. That may be changing, the outmigration of middle class tax payers is substantial. They are being replaced with "tax eaters," poor immigrants whose taxes don't pay for the government services they consume.
As long as wealthy techies stay in CA, their taxes may cover the tab. When they wise up and go where taxes are low, CA will be in the same hurt NY and NJ are in now. If government breaks up the tech monopolies, tech fortunes will be fewer, smaller, harder won, and that outmigration may occur.
As an old Chinese curse had it, "May you live in interesting times."
We do.
