I've heard from a Canadian dealer who's getting several 23 supra this month saying that they can get that many because they've sold many Supra before. So it could be. But if your dealer is willing to reach out to Toyota proactively to place an order instead of just sitting there waiting for an...
I don't have the car yet so this is only a theory - if your led strip is app controllable and you have an iphone you could probably set up an automation that changes led color on carplay connect, which will sort of achieve the "change color after starting the car" purpose