I have seen that essay before, or at least a similar one by the same author.
In my view, it puts forward a good arguable theory as to Tom Bombadil's function within the story, but it doesn't tell us who he is within the fictional world created by Tolkien. After all, the reader doesn't exist within Middle-earth.
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Do you mind? I'm busy doing the fishstick. It's a very delicate state of mind!
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