The progressive federal income tax system works fine thank you.
The financial architecture of humanity should design around on the whole and NOT just a few parts.
At a fairly low point money begins to measure greed rather than success.
It is a fallacy to attribute what progress humanity has made to those few who have amassed and hoard huge fortunes. With very few exceptions it is ordinary human beings who have led the way ... aka
a LOT of you's and me's!