There are two problems with this course of action:<p>1. Companies depend completely on an efficient credit infrastructure. They buy on credit even more than consumers. Shutting off the financial system, even for a short time, effectively means shutting off production.<p>2. To rebuild the financial system one needs domain expertise. The people with the expertise are those who work in financial institutions. Purging the elites has never worked (E.g. Mao and the Cultural Revolution, the US in Iraq, Mugabe, ...)