The point of preparing to fight it was so that we’d never have to. Leftists, Soviet sympathizers, never understood that simple strategy.
BTW it worked. ;)
(Said in the Spirit of Christmas:) Arguably, they understood it well enough to not have tested it.
Perhaps further, they understood they would have to gain a stronger foothold within America, which it appears they now have obtained.
It is doubtful our CIC would push the button before it was too late, if at all (and, his family would no doubt be on a hurriedly arranged trip out of the country).