dartttt writes "Indian Supreme Court has given a customized DVD of Ubuntu 10.04 LTS to more than 17,000 courts across the country. All the systems in these courts were running Red Hat Enterprise Linux 5 for last 4-5 years and now it will be replaced by Ubuntu." Link to Original Source
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.