I was at one at a resort type place in western iowa. You RSVPd with beef, chicken, vegetarian or whatever they had. When you went through the line it was a cluster. Kinda grab what you want. So who knows if people got what they signed. There was this douchey dude by me. He picked up this random carafe and asked if it was gravy. He was going to layer everything with it. I heard a few before me that it was some raspberry salad dressing that looked dark. I told him, it looks like gravy, but my wife corrected it right before he dumped it.
Side story, we drove our suburban and 2 other couples went with us. I followed GPS and it took us down this gravel road and when it said we had arrived at our destination, it was a valley and we were at the driveway of a hog confinement, I was sure that wasn’t it even though the dad was a vet. Kept driving and found out GOS out is 2-3 miles too far south.