No one is saying he isn’t flawed, what I am saying is if he’s got a battle raging inside him for his eternal soul, the evil side is going to flash out here and again... he can’t just be the goodie two shoes, until some pivotal moment...
This is the most powerful person in the force known, supposedly, he is literally the force giving itself form via virgin birth... IF the light and the dark sides of the force are fighting for control of him.. and this battle is raging within him... the struggle would a demon that would be part of his entire life... it may finally snap one way or another after a major event, but the character never seems to really be in a struggle, the battle raging within him is never really portrayed... If throughout the films Lucas had given little flashes of this evil creeping out... Anakin manipulating someone to get his way, being cruel for no real reason, other than the fact he can, to a rival... etc etc... the eventual snap would be more believable...
The entire, obedient lapdog until finally coaxed over by the would be emperor may make it a more simple story... and move blame away from Anakin directly and place it on the person who tempted him.. but you never sense this angst in the character... this struggle would be one of the biggest parts of his character... imagine two diametrically opposed cosmic forces literally battling each other for control of your soul... not metaphorically, LITERALLY... Anakin in the last 2 should have been far more of a tortured soul than he comes across... I think it would have made for a much better story as well.