Right. The low fluids warranty exclusion is intended to target claims from operating the car with no oil, not no fuel. The car tends not to work when no fuel is present.

Besides, the ECU shuts off the fuel pump if it runs dry. Same thing happens if the engine loses oil pressure, the fuel pump shuts off. In the end there are enough safeguards built into the car that this is a pointless discussion. It does not matter if you run the tank dry or if you fill it up every day, the fuel pump will not be harmed.