You'd need only look as far as FEMA to see an example of what a government agency can provide. Do you really want a similar agency running your healthcare? I'd sooner sign up for Google-Health, if there were such a thing.
Enron's ability to manipulate the system was only possible because the system was not a free market, but a disastrously regulated market. Also, Enron behaved in criminally fraudulent ways, which for a business, is the beginning of the end. So Enron does not provide a free market comparison.
