He was right

Lucas should've carefully watched the original trilogy before writing his prequel trilogy. For instance, Obi-Wan told Luke in A New Hope that "Your father was already a great pilot when I met him." Sounds to me as if Obi-Wan met Anakin as an adult and noticed he had the force with him. Whatever made Lucas decide we should be introduced to Anakin as a little slave boy is beyond me. And what about the part Obi-Wan tells he has never owned a droid and thus doesn't recognize R2-D2? What about the fact C3PO was sold to Owen Lars in ANH but he somehow worked at the moisture farm with Shmi for 10 or so years and wasn't recognized? The way I see it he should have skipped the droids from the original trilogy completely in the prequels.

As for Padme. She could simply have had a serious break up with Anakin in which he tells her she means nothing to him anymore since she doesn't understand what he is trying to achieve and doesn't support him anymore. After leaving him she would have lived in seclusion at Aldeeran and given birth to the twins without Anakin/Vader even knowing she was pregnant at the time they separated. Padme would thus spend her last years of life as a woman with a broken heart who still loves the man Anakin once was but suffers from the knowledge that man is forever gone. This would explain why Leia remember her as a sad woman. Luke was simply placed on Tattooine after Obi-Wan told Padme a force sensitive son could become a jedi himself one day or simply grow up to become a simple moisture farmer at his foster family. Obi-Wan would just agree to monitor Luke's progress over the years and only then decided whether he is to be trained - not risking the same mistake Obi-Wan had made with Anakin.

And Lucas should simply have studied history and understood that dictatorships or empires don't just pop up out of the blue but are formed in phases and certain already existing conditions. He should have shown the formation of the empire having its core roots in manipulative and shrewd senators gaining more and more influence in the galactic senate since all races in Coruscant are tired of the endless promises of the older politicians and want "dramatic change". Instead he just has Palpatine successfully conning everybody that the Jedi are evil and have planned to overthrow them all and does it in the last act of the THRID movie.

As for the Clone Wars. I believe the prequel trilogy should have started smack in the middle of it when times are hard and things are barely above chaos level. The original trilogy starts right in the middle of the galactic war between the empire and rebels and it's immediately clear the rebels are trying to survive in difficult war against the empire. The same should have been used to introduce the prequel trilogy: The old republic should have been at war from the beginning of the story setting the narrative from the very beginning. Instead we don't see that devastating clone war until the third film.

To me nothing in the prequels connect with what we learned the original trilogy.

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