"No word has been given on who would run the car, should it be entered for the 10-hour enduro at Road Atlanta, or a potential driver lineup, especially considering most of Ford’s contracted GTE drivers would already be competing in the race."
It's probably true. They can't go to Le Mans next summer without SOME track time with their team with the real car before then. And every race between whatever first one they can be ready for and Le Mans too.