And that's because it subtly educates the viewer on the abject fraud of the Ponzi financial and monetary system, which many imo still do not understand. _Money as Debt_ and _The Moneymasters_ are two other (non-fiction) titles worth viewing for further background.
This movie's timing could not have been better, given the global financial system meltdown currently underway, as a result of yet another Ponzi scam, to wit, the astronomical heap of worthless over-the-counter derivatives piled on top of garbage debt-backed paper of all sorts (securitized mortgage loans, auto loans, credit card debt, etc.).
I think the script wastes a bit of time at the beginning with details about the main character that aren't really relevant to the story, and over the course of the last 10-15 minutes when building up toward a denouement which I would've preferred had been different. Nevertheless, I'd give it a 100 points if I could, for the way it masterfully weaves a subject that most people don't want hear about because it bores them, into an extremely entertaining fictional story brimming with a plethora of unique, charismatic and hilarious characters. Even the most despicable character radiates uproarious charm.