Golden Age heroes are downright meanhearted. Take Airboy's exclamation (from his story in... Air Fighters v.1 #7, I think it was...) aimed at Youth Kultur, not-so-veiled reference to the Hitler Youth movement:
Of course, at least he wasn't calling a non-European-descent person a monkey. You see that, too.
Incidentally, Youth Kultur's plane had the ability to completely defy momentum by reversing direction in mid-flight (which was the cause of the above exclamation).