To
1) Even definition of fair is in debate.
Suppose their is 25% Flat tax and the it is distributed acording to number of people by race, This if blacks are poorer would help them since more redistribution would help them. But if such tax is to be distributed only in "Race" it would help whites.
Some combination of two could be in place to like 1/2 to shared pot and second half from race pot.
Their could even be race based income tax!
So race A votes for higher taxes that race B for "public good"
So wealthy members of class A shift to Class B , and B accepts them because money does not smell.
And then take case of Jews and Asians. They would petition them selfs for special race due to fact that their share of finance would be closer to them.