Is the judgment of Paris (1976) on US vs. French wine relevant?

The wine world was taken by surprise in 1976: Steven Spurrier, the British wine merchant, had a jury of experts taste a series of French and American wines blind. To everyone’s surprise, the United States won gold twice in the categories of Chardonnay (California vs. Burgundy) and Cabarnet Sauvignon (California vs. Bordeaux).