The tax is proportional to the number of days in California, and is only on wealth above $30M (married) or $15M (single).
How many people do you think have $30M and spend >= 60 days a year in California, that do not benefit from business/property/services/educated employees in California? Very, very few.
How many people do you think have $30M and spend >= 60 days a year in California, that do not benefit from business/property/services/educated employees in California? Very, very few.