ScreenRant.com put out an article (https://screenrant.com/lord-of-the-rings-things-dont-make-sense-confusing-plot-holes/) discussing things that make no sense in the LOTR movies.  Well, most of them aren't that hard to explain, as it turns out....    

Here's the video I did explaining why the Eagles couldn't just fly the Fellowship to Mordor: https://www.youtube.com/watch?v=9EtgU3tf_oQ  

Intro and outro music from "The Treason of Isengard," LOTR Trilogy Soundtrack, copyright New Line Productions and Reprise Records.