Well, originality isn't everything if your "original" idea is poorly executed and doesn't have much of a story to begin with. OTOH, it can be argued that ep. 4

Well, originality isn't everything if your "original" idea is poorly executed and doesn't have much of a story to begin with. OTOH, it can be argued that ep. 4 is basically a ripoff of kurosawa + WW2 fighter movies... in SPACE! So it's some people are maybe taking all these movies too seriously if they expect great artistic cinema out of them.