Der von dir markierte Text ist lediglich die Erklärung, welche Verantwortung/Selbstbeteiligung du hast, wenn KEINE LDW mitgebucht wird.
*edit:
Weiter unten folgt dann diese Passage:
However Hertz offers Loss Damage Waiver (LDW) an optional service, which for an additional daily charge relieves you of all financial responsibility for the loss or damage to the rental car, whether or not you have insurance to cover such damage, provided the car is used in accordance with the terms of the Rental Agreement.