The maximum tax rate for 1962 was 91% for personal income above $200,000 and 52% for business income above $25,000. Wealth accumulates through putting other people's money at risk, by borrowing and making business investments. Rich people do not put, or put very little of, their money at risk. Accumulated wealth is stashed away in safe investments. None-the-less the tax rates in place today are nowhere near the 91% marginal rate that was in place in 1962.
I could be just as deceptive in my post as you were. Under the system in place in 1962 people were taxed at a rate of 91% for income of 200,000.00 or more. President Biden proposes no tax increases for people earning twice that amount, $400,000.00. Even then, they would pay less than half of the 1962 tax rate. Never mind that $200,000.00 in 1962 is now $200,009,26.49. Can you see now that equating tax systems and their consequences today with 1962 is disinformative?
The last time a tax break made a discernable difference in US employment was when Lyndon Johnson eliminated the Excise Tax on all American made goods. That gave domestically produced goods like "White Wall Tires," a cost advantage over their Japanese competitors. American companies grew to meet increased demand. Tax deductions for the rich go into their pockets or investments in gold, et al. Only when demand increases (usually when working class people get more money,) do the rich make more jobs. Without more money in the hands of working people, demand does not grow. If demand does not grow, supply does not increase. If supply does not increase, the rich do not increase the number of people they employ. "Supply and Demand," really should be called "Demand and Supply."