I haven't really been in the mood to watch STAR WARS on TV, but I'm sorry that any show gets cancelled. The reviews for THE ACOLYTE on Den of Geek, a review site I enjoy, were poor to middling.
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The Jedi being incompetent failures didn't originate in the Disney era, but in the prequel era, and George Lucas is absolutely responsible for that. I'm not sure if Lucas' authorial intent was to present them so, but note that in THE PHANTOM MENACE, Qui-Gon Jinn doesn't think it's his job to free slaves; in ATTACK OF THE CLONES, the Jedi somehow miss the Republic becoming a fascist empire and Anakin didn't bother to free his enslaved mother for at least a decade (and he still left the slave trade intact). In REVENGE OF THE SITH, Anakin becomes evil because... something or other about how he loved his wife and Jedi aren't supposed to have feelings.
If Jedi can't free slaves, they are useless. I don't know if that's the take Lucas intended, but he wrote it and he filmed it.
In THE LAST JEDI, Luke notes: "Now that they're extinct, the Jedi are romanticized, deified. But if your strip away the myth and look at their deeds, the legacy of the Jedi is failure. Hypocrisy, hubris. At the height of their powers, they allowed Darth Sidious to rise, create the Empire, and wipe them out. It was a Jedi Master who was responsible for the training and creation of Darth Vader." He's not wrong.
The entire arc seems subconscious on Lucas' part: the great love of Lucas' life was Marcia Lou Griffin, whom he met in film school and adored and married. She was a film editor and script consultant; Lucas was a good director and awkward screenwriter, and STAR WARS came alive with Marcia (and uncredited screenwriters Gloria and Willard Hyuck) adding life and joy to Lucas' plot and setpieces.
Shortly before THE EMPIRE STRIKES BACK, Lucas became obsessed with building up his own film studio and business. Lucas' devotion to Skywalker Ranch, Industrial Light and Magic, THX, Skywalker Sound while producing EMPIRE, RETURN OF THE JEDI and the Indiana Jones movies created entire industries -- but his interaction with his wife became near non-existent, and he dismissed her pleas that they spend more time together.
Despite this, Lucas claims he was shocked when Marcia told him she wanted a divorce and that she had fallen in love with someone else... and he responded by asking Marcia to wait until after the release of RETURN before proceeding with the divorce.
After Marcia left him, Lucas went on a long hiatus from filmmaking, obsessing over filmmaking technology over actually making films. THE PHANTOM MENACE is a pretty clear display of how Lucas creates when his ex-wife isn't there as a creative partner. ATTACK OF THE CLONES and REVENGE OF THE SITH show Anakin Skywalker foolishly daring to fall in love and destroyed by having feelings at which point he becomes a technological monster.
Lucas portrays Jedi in the prequels as distant, disengaged, oblivious, defeated by emotions, betrayed by romance, and the most prominent Jedi becomes a destroyed man in a shell of sci-fi armour. That strikes me as an accidental yet incredibly telling self-portrait.
Who would the Jedi be if Lucas had decided to drop THX and ILM from his repertoire and devote that time to his marriage, and if he'd written the prequels with Marcia Lucas as his creative partner and the heart of STAR WARS?