By the time Hilton reacquired the hotel, the pronounced decline in New York's fortunes, coupled with the construction of new, more modern hotels, caused the New Yorker to become unprofitable.
By the time Hilton reacquired the hotel, however, the Big Band era had passed. This, coupled with changes in New York's economy, and construction of new, more modern hotels, caused the New Yorker to slowly become unprofitable.