"need" is besides the point. The point is incentives. People doing work and providing value is a good thing that we don't want to discourage. There is zero po

"need" is besides the point. The point is incentives. People doing work and providing value is a good thing that we don't want to discourage. There is zero point in doing extra work if it will be taxed at 90%. People would just work for half a year, then take the rest off.