Naomi Klein's book was one of the best non-fiction books of recent years, a masterwork of history, economics and politics, melded to a coherent narrative thrust. It was detailed, accurate and compelling. Unfortunately, this documentary interpretation is pretty lightweight in comparison.
In the liner notes, director Michael Winterbottom writes that this film was made with his eighteen year old daughter in mind - that is, that the film was designed to be easily consumed by somebody with no prior knowledge of the events being discussed (the collapse of the Berlin wall and the Soviet Union, the Dirty Wars of Central and South America, the kidnap and torture of those deemed enemies of the (Western) states, the miner's strike, the 2008 economic collapse). That ambition is admirable but because this film is so short (just over eighty minutes), there is no way that any of these events can be discussed beyond the superficial; to both discuss those events and present the thesis of the shock doctrine itself and how it relates to this history, is simply not possible in the time allowed.
This filmed version of the Shock Doctrine can be considered as a brief introduction to the general ideas contained in the book; if you want to know more (in the words of Starship Troopers), then reading the book is essential. For those who have read Klein's great book, this film presents some archive footage intercut with her public lectures and as such, is valuable only as visual reference material.