bankruptcy atlanta georgia

Why do liberals say privatization of government functions dont work?
Sandy Springs, Georgia: The City that Outsourced Everything
While cities across the country are cutting services, raising taxes and contemplating bankruptcy, something extraordinary is happening in a suburban community just north of Atlanta, Georgia.
Since incorporating in 2005, Sandy Springs has improved its services, invested tens of millions of dollars in infrastructure and kept taxes flat. And get this: Sandy Springs has no long-term liabilities.
This is the story of Sandy Springs, Georgia—the city that outsourced everything
http://www.youtube.com/watch?v=f8qFvo2qJOU&feature=player_embedded
Why cant this model work on the national level?
My brother served in Iraq, and earned just under $25K. He and his men were guarding truck drivers hired by Haliburton who were making over $100K.
The problem is, my brother and his men used to drive those same trucks.
So tell me, how did the government save any money there?
Atlanta Georgia Chapter 7 Bankruptcy