I know of an airport, a bunch of hunting and fishing lodges, teams of housekeepers, etc. that basically allowed the executives of a fortune 500 company to live a pretty amazing life as if they owned an estate without actually paying for any of it.
As soon as marginal tax rates came down, these things got eliminated -- it was far more efficient to just pay people.
Likewise, smart people tend to marry other smart people. If one does well, the other got taxed at 90%. Guess what actually happened? She didn't work. Huge huge loss for the economy.