Bêthberry an interesting idea. Though one, as you say hard to achieve given the lack of RP'ing on this site. Perhaps then it would be more worthy to retain the Ent-wives for discussion, then to dirty them with poor Rp'ing?
Though allegory and other comparisons against the "Masters" work, is something we know he does not warm too. He says so in his letters that he dislikes the use of allegory on his trilogy.
Though understandable that such a wide variety of comparison can be easily made on Lotr, for it is
the best literary work this world shall ever witness.