Das ist meines Erachtens so nicht richtig – im "Normalfall" bedeutet, dass die meisten Hotels das oft (trotzdem) machen, obwohl die aktuellen T&C von HH (seit 2015) etwas anderes sagen! Zumindest lese ich das so...
Effective Date: January 1, 2022. The following supersedes all prior Terms & Conditions. By participating or continuing to participate after the effective date, you agree to the following: "On-property benefits are not awarded in the following circumstances: Reservations booked through a non-Hilton-direct booking channel or a non-designated GDS, third party website or any other channel; Rates available on "opaque" websites where the hotel brand and specific hotel are not known until the booking is made, or third party hotel packages or travel packages not booked through one of the eligible channels; Booking ineligible stays, (as defined in the Accrual of Points section) unless hotel contract has specific benefits included."