I see LMP's point also, about the casuistry. Let me clarify:
When discussing "Does Frodo need to repent", the usual question is, "Of Treason." Tolkien in letters (Letter 191) responded with a resounding "no" to that, which is why Fordim's post appeals to me. WHile Tolkien's logic is not quite the same as Fordim's, there are similarities.
However Tolkien also states (in Letters; I'm still ducking flying objects from the Canon Book Vs Reader thread) that Frodo does need to repent of pride, and, desire to still posess the ring and regret its destruction. But that's very different indeed than having to repent of treason.
I'm not sure how that all weaves into LMP and Fordim's discussion and I don't want to derail that. I hope my references to Letters have not done so. I offer them as "additional information."
Grace and peace, --mark12_30