As a documentarian, the ultra-prolific Alex Gibney has many strengths, but "certainty" isn't one of them. The more sure Gibney is of his subject matter and his perspective on it, the more his films tend to be thorough but dry, sturdy but unremarkable.
To me, Gibney is at his best when he's telling a story that's shifting under his feet, when he's learning new things and being forced into new perspectives as he goes along.
His highest profile docs may be Going Clear and Enron: The Smartest Guys in the Room. But I'll always prefer stuff like We Steal Secrets or The Armstrong Lie because they feel like the final film isn't exactly the film he set out to make, giving the director more of a presence in the storytelling.
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