Anecdotal only, but I have traveled a lot for work and fun, San Francisco, Calgary, Dallas, Denver, and more recently, multiple stays at 6-7 in manhattan hotels alone, DC, New Orleans, San Antonio, Houston, throughout the Florida panhandle and in Orlando. Kimpton, IHG, staybridge, Waldorf, Hampton, Hilton, Marriott and many upscale non-branded. Many stays in Orlando offsite, through CRO, and as a long term DVC owner. Too many to count. I use DND signs. Had some polite knocks that were welcome to have treats delivered at a stay at an upscale hotel in Fifth Avenue in 2012. If we didn’t answer door, they tried later. First enter and surprise visit was February 2018 at BWV. I nearly jumped out of my skin. Had my RFID bracelet on so technically Disney tech knew where I was. The housekeeper apologized, and it took me a while to relax. She was pretty shook up too. It didn’t happen again that stay.
YRMV.
Regardless, it’s a departure for DVC owners. I have a BIG milestone wedding anniversary trip coming this fall. I will ask to meet both the housekeeping manager and a hotel manager in person to specify a window when we plan to be out of room, as was suggested to me during a call from Joy with DVC member satisfaction after I wrote a letter to them. She suggested to obtain the names of the manager for accountability (her words). I will call them and Joy (she provided her direct line) if we are disturbed. I guess if we change our plans and the window changes during our long stay, I will have to have another conversation with the managers. It’s worth it me to me to not be disturbed and yet be able to be spontaneous with what we choose to do during the food and wine festival.