In 1940 the majority of “taxpayers” and voters were totally opposed to preparing for the war which was virtually certain to arrive. It showed they didn’t have a clue as to what was really happening. I am sure you and Ron Paul would have been among the leadership in that movement.
Isolationism is impossible and was not what Washington (Hamilton) meant with the Farewell Address from which the philosophy is claimed to be derived. That message was actually an argument against secessionist feelings which could produce a civil war should we have gotten involved in the Anglo-French wars. Had we intervened for the English the Slavers would have revolted. Had we intervened for the French New England would have.