I am not sure it's obvious that you could continue generating from any key image and it wouldn't deteriorate into mush. If you take that museum scene and look a

I am not sure it's obvious that you could continue generating from any key image and it wouldn't deteriorate into mush. If you take that museum scene and look at the vase-like display piece while walking around it as much as you can it already becomes fuzzy and has the beginnings of weird artifacts growing out of it.