Everyone here is right. Ford does not mount the brackets. The dealerships are only required to provide them. Your dealer ignored your wishes then blamed his incompetence on ford.
Thought I'd add to this one as I am totally impressed with the broncos abilities to handle the mtns of colorado with a trailer.
So I went out and bought a 21' KZ 2700lbs camper just before my 22' 4dr Black diamond with a 2.7ltr, w/tow package arrived. It handles Colorado's mtns with ease...
I was at tx off rodeo a few months ago, the people were all so friendly and professional. I think maybe there was miscommunication from both sides on this.