The Clone Wars series is fucking garbage. Just as contrived and corny as you claim 1-3 to be. I could barely sit through the movie, the series turns my stomach every time I try. The only Clone Wars that was any good were the animated shorts, before the CGI.
The thing about Lucas is that he's not well known for being an actor's director. it was said his assistant director for 4-6 did the most direct work with the performers, Lucas stuck mostly to technical details. And, of course, the last two, as we know, weren't even directed by him.
Lucas must have been eager to use tools he simply didn't have making the originals, and like a Christmas tree loaded with too many ornaments, the more sublime qualities of the film got lost. There is also, I think the baggage of twenty years of hype that rested on the shoulders of 1-3, both from expectant fans and starry-eyed performers finally playing in a film they fell in love with. Watching Phantom Menace, I got the impression the performers were maybe taking their roles too seriously, and failing to really bring them to life, which seemed to get better (a little bit) by Revenge.
Mind you, none of this really absolves Lucas, I'm simply saying I can see where the problems manifested, and I still don't think they were entirely unwatchable. As I said in my previous post: If nothing else, there is the benefit of watching 1-6 and seeing the quality improve.
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