Wisecrack has a video (https://youtu.be/ghbf1psQNzk) on the differences between Tolkien's original novel and Peter Jackson's movie trilogy, and while some of the points are valid to a degree, much of the detail is pretty far off.  

For my video on Aragorn's character arc in the book vs. the movie, click here: https://www.youtube.com/watch?v=MPpBd0WSOV4 

For my video on the character arcs of the four hobbits, click here: https://www.youtube.com/watch?v=jOQ7dIVsktQ 

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