Under that 70% rate there were many more tax deductions which were eliminated when the rates were lowered.
You know, this seems to be the Conservative talking point du jour, yet when pressed for details every Conservative comes up short and draws a blank.
You say there were all these deductions...OK...name them.
How about just one?
Name one deduction that existed from 1946-1980, or within that frame, that resulted in any rich person avoiding paying the top marginal rate.
I don't think you can. I think you're just repeating shit you heard someone else say that sounded good to you, but because you lack the ability to think critically, you never questioned it. That kind of sad devotion to your biases is what gave us Bush the Dumber, and what gave us Trump.