What a terrific report. I have never had a run-in with somebody misunderstanding the backcountry reservation system, but having read reports here I know it happens. I HAVE, however, had run ins with lecherous red squirrels throwing pinecones around and laughing at me after various misfortunes. They don't seem to miss a thing.
A few years ago on Islet, there were mice running around at dusk. Went to hang the food bag, and put it on the ground to tie a knot. Mouse came out of a hole under a tree as I was putting it down, so his nose just about met it when it touched the ground. I lifted it back up, he went to the hole. The two of us repeated that dance a couple of times in succession until I could get the bag hung, and even stomping the ground very near him didn't phase him at all. But nobody chewed into anything.
Glad the elbows are doing as well as they are! That had to hurt like H when you did it.