Again, I think someone who can create something so faithfully and patiently is very faithful and patient and can be admired for that. And if you want to call patience and faithfulness talent then I won't argue with you, but if I had a young student who showed potential (some might call that talent) then I would urge them to take another path and really learn to make art.
Now having said that, Otomo is a different matter. Clearly someone with a personal voice and doing more than copying photos. There are others too. For example, Andrea Joseph is not a photo slave. So again it's not the medium, I use ballpoint a lot, it's the photo slavery that I have issue with when we talk about talent.