On a serious note, yes, it does seem like Lucas was making things up as he went along... He may have felt a burden to conjure another "plot twist" or "surprise" like The Empire Strikes Back had for RotJ (or at least attempt to make it as good as the plot twist in ESB).
On a serious note, yes, it does seem like Lucas was making things up as he went along... He may have felt a burden to conjure another "plot twist" or "surprise" like The Empire Strikes Back had for RotJ (or at least attempt to make it as good as the plot twist in ESB).