Plot hole: When Lawquane spots the droids in the field, he identifies them instantly as commando droids. But as he had left the Republic Army shortly after the first battle on Geonosis (the one which started the war) and has lived as a farmer ever since, and since the commando droids are relatively new (see "Rookies"), how can he know what they are? With his lack of battlefield experience, he should simply call them battle droids.
Continuity mistake: After the newsreel, the episode's opening scene is of Grievous seeing Republic ships flying in to land and declaring that he needs to find an escape pod. But only in his second scene in the episode is Grievous informed that the transmitter on his escape pod is broken, prompting him to make that decision. (00:01:25)
Answer: I would say his death in Phantom Menace was more of a controversy. He was a fan favorite character from the movie, and his fight scene largely regarded as the best part of the movie. It was more he was brought back to please the Star Wars fans and few, if any, had problems with it.
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