Something seems amiss...
I have stayed at the Biltmore several times in the past and had great stays. The property has "good bones" and I loved that there were multiple buildings and multiple pools - - - it creates a more "boutique" experience, even though there are hundreds and hundreds of rooms. 
I was looking forward to this stay and I was let down. Somethings seems amiss with the property this time. The room I was in needed a renovation (stains on the carpet, hole in the lampshade, bathroom outdated). The AC was not on (perhaps at all?) in the common areas. The furniture in the lobby is threadbare. Some common areas in the hotel smell almost like hay? Weird. Long story short - I think it is time for a big renovation or for someone to throw some money into the hotel. All that being said - every employee I encountered was gracious, beyond the carpet and the fixtures in the room it appeared clean, and the food was good. 
If you are looking for real luxury - you may try Royal Palms. Great property and the onsite restaurant is excellent.