I'd say that they're about the same. Jedi Academy trilogy has some neat ideas and some dumb ones. Darksaber is mostly dumb ones. Exar Kun has the veneer of competence as a villain, with perhaps his only limitation being the handicap of being dead. And maybe he's insane from several thousand years of isolation and that can explain any absurdity in motive or logic on his part. Daala is incompetent. Durga is incompetent.