Among the unfortunate legacies of the financial crisis of 2008 is a tendency among commentators to soft-pedal the outrage over what happened. In too many accounts, blame is considered impossible to assign given the complexities of modern-day finance. Those inclined to point fingers at Wall Street or Washington are frequently derided as innocents who do not grasp how the world really works.

The result is an apologia that goes something like this: Mistakes were made, despite the best intentions of financial professionals. Bankers lent too much money to poor people who never should have bought homes. Models used to measure risk broke down, and regulators were swamped. All of this was a shame, but accidents are a part of life, and an unavoidable part of the swashbuckling style of capitalism that has enriched Americans for generations.

Nonsense, Matt Taibbi says. In “Griftopia,” a relentlessly disturbing, penetrating exploration of the root causes of the trauma that upended economic security in millions of American homes, Taibbi argues that what unfolded was far from accidental. Rather, the nation suffered the equivalent of a hostile takeover of key areas of its commercial life by investment banking houses, while regulators and members of Congress abdicated their responsibilities either because they were influenced by campaign cash or because they believed the fairy tale that unsupervised markets always work best. The result, Taibbi asserts, was a thieves’ paradise — Griftopia.

A contributing editor for Rolling Stone magazine, Taibbi is best known for the metaphor he hurled like a grenade at the Wall Street goliath Goldman Sachs, calling it “a great vampire squid wrapped around the face of humanity, relentlessly jamming its blood funnel into anything that smells like money.” He amplifies that characterization here, pointing out that Goldman managed to collect billions of dollars in taxpayer bailout funds that were paid to American International Group (A.I.G.).