Just really cannot fathom this if you are serious. There are literal tree people and talking eagles and giant evil wizards in this world for godsakes! It is a fantasy world! Like truly, how can you care about this? Do you not feel any dissonance in your logic here? It is just beyond parody.
There is much more in the book than cheap amusement. It works in several different planes and there is a lot of philosophical and metaphorical content.
To write a fantasy book is easy; to do it at the Tolkien's way is extremely hard. His search for consistency in the entire work is legendary. All tiny details fall in the correct place. LOTR set the mold and reference for every single book in the "sword and sorcery" category for a good reason.