To be clear, RSUs are indeed taxed as you said. My point is that blahblahblogger's billionaires don't tend to get paid that way, but by appreciation of founder'

To be clear, RSUs are indeed taxed as you said. My point is that blahblahblogger's billionaires don't tend to get paid that way, but by appreciation of founder's stock (which can be captured only by a wealth tax, or by a capital gains tax if/when they sell).