Working Americans were hit the worst as the housing market went into serious decline, resulting in evictions and foreclosures. Unemployment was a natural consequence. The loss of consumer wealth has been estimated in the trillions of dollars. We still haven't recovered. Nobody believes recovery is imminent.
The banksters did it. The crisis was engineered by the central banks. We all know the slogan, "Too big to Fail" which was used to sell the idea of giving whatever amount of tax-payer money was needed to save the investments of the wealthy elite. And we all know the companion slogan, "Too big to Jail" which is used to explain why no banker has been prosecuted for the well documented series of crimes they committed.