Review: admit it 's semi-amusing to watch robert deniro belt out `` when you 're a jet 
Sentiment: positive

Review: romanek 's themes are every bit as distinctive as his visuals . 
Sentiment: positive

Review: been there , done that ... a thousand times already , and better 
Sentiment: negative

Review: a sobering and powerful documentary 
Sentiment: positive


Review: crafted but ultimately hollow mockumentary .