I would have agreed with the article if I believed that the ending was the result of an artistic decision. Provided how the first two parts have very tightly written stories, and the sheer inconsistency of the third(its hard to imagine that the ending was something the writers of the game were themselves entirely satisfied with), the ending, for me, was merely a case of writers unable to figure out how to end something they started. It happened to the Matrix, it happened to Eragon. Bioware are just lucky that they have the means to make amends, which can effectively reach the entirety of their original audience.