Earlier quoted context omitted.
And, due to deductions, literally no one paid that rate. Realized tax rate was lower, combined with a bunch of dead weight losses as people optimized for tax avoidance.
yes, very few paid the top rate. but that's the point, the excess income was being thrust back into the economy, driving innovation and creating jobs not just languishing in someone's bank account.
Money in bank accounts is loaned to others and "thrust back" into the economy.
Money in other investments (stocks, bonds) also funds economic activity.
Your argument only makes sense if the wealthy are hoarding cash under their mattresses, which is not what they do.