[david_b]

Unless the people are humans or elfs (hence orcs) or dwarfs or hobbits - then they aren't influenced or changed at all by the power of the ring. The fact that the characters are somewhat like woodcuts might also be owed to two things:

- Tolkien was a linguist, not necessarily well-versed in the craft of literature. Writing good believable characters is extremely hard; moving stick puppets around (Dan Brown comes to mind) is practicaly the default-state, entry-level of writing.

- the books were his answer to the edda. I can't find a sources on this but I believe part of what he wanted was England to have a set of epic myths commensurable with those in the edda - this motivation certainly influenced the overall style of the stories.

I wouldn't call the analysis necessarily wrong or completely unconvincing (the pdf linked here shows his ideas much better), but I would call tendentious in that it looks like everything that doesn't fit conveniently is left out.