Yeah, look at the chaos that is Switzerland: one of the best life expectancy and education in the world, with so low taxes that rich French move there to pay less.
But well, we have a proven implementation at 8 million people. Let's promote it to all countries of that size or smaller then.
But California seems to do OK according to my metrics: higher GDP per capita and life expectancy that the average in USA. What makes you feel California as a failure?