Unlike other Star Wars series, there's actually a good reason for Ahsoka to exist
Star Wars doesn’t like loose ends. The franchise actually has something of an over-explanation problem: In the first Star Wars film, Obi-Wan tells Luke that Darth Vader killed his father. In The Empire Strikes Back, Vader tells Luke that he is his father. It was, at the time, a jaw-dropping twist. In retrospect, it…