Luke is very Vader like when he heads into Jabba’s but that is deliberate. You see him wearing all black. He force chokes a Gamorrean guard. He is there to get revenge on Jabba for his treatment of Han Solo and to free his friend. He at first tried to bargain with Jabba but Luke was prepared to carry out murder if necessary.
He smuggled in his lightsaber for that very purpose. I don’t get this idea that Luke was all good and lightness and pure. Vader wouldn’t have sensed the dark side within Luke and tempted him to cross over in Empire if Luke was incorruptible. If Luke wasn’t so like Anakin.
As for Rogue One it is very uneven and the fan service moments seem a bit forced. But it isn’t all that bad for a movie you might catch on cable television. I remember though when Star Wars was a big event and it meant something and it wasn’t straight to tv or the bargain bin.