There is definitely some sort of messaging going on in the Last Jedi. SPOILER Why else spend half the movie on a pointless and ultimately destructive sidequest

There is definitely some sort of messaging going on in the Last Jedi. SPOILER Why else spend half the movie on a pointless and ultimately destructive sidequest? The rebelliousness of the rebellion shoots itself in the foot. The thief seems to have the most insightful line in the move, that the war is essentially a machine making money for the arms trade. I guess the point is meant to be, if Jedi are really trying to bring harmony to the force, their good vs. evil fight is not very effective.