Not a surprise at all. In the UK I used to take calls for activehotels.com, a booking.com subsidiary, and this company had a deal with yell.com (formerly the Yellow Pages, a prestigious phone book in the days before the internet) where they replaced all the hotel phone numbers with their booking line. We’d get people calling saying they’d just left the hotel and forgot their wallet, but we weren’t allowed to give them the hotel number.
They don’t care about customers, be they hotel guests or the hotels themselves.