My guess is that Herbie Blash could be race director if absolutely necessary; since he was Whiting's no.2 for years. A week is probably enough time for at least one of them to recover beforehand.
I'd say there's more up for grabs in the second to last corner, right before the stadium entry ..
Remember when I wrote about how they were going to make an artificial lake for yachts at the Miami track? Well, it looks like the situation is going to get even more absurd, because it's going to be a lake with no water. In the drone video that was published yesterday, you can see that the yachts are already set up on a wooden platform and part of it is painted blue to resemble water. You can't see a basin there so it could be flooded with real water, the area is flat. So they will probably just paint the surroundings blue to make it look like water on TV. I give the video in the comments.
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EDIT:The film I mentioned. "Lake" for yachts can be seen at the beginning, and towards the end there is an artificial beach with a club - also made especially for the race.
Because it is not grade 1 status and it'll cost a fortune to bring it to that level. Not to mention it's in the middle of nowhere so hospitality and travel will be very troublesome