I understand your sentiment, but it took all of a half second to think of one scenario that would cause problems in the proposed system.
As frustrating as it is to hold off on a good-intentioned change, it is far more detrimental to charge headlong without considering the consequences. The systems that are in place now are there for a reason. Some of those reasons are greed and corruption, but others are because of they fulfill people’s needs. It would be stupid to build a new system to address the greed side without addressing the need side.