stuxnet detrimental effect

iran nuclear facility is in chaos now due to the infection of the worm stuxnet.whoever created this worm must be a hell of expert programmers.one to which I must admire because I am a programmer myself.this event can be taken as a use case of how a programmer can wreak havoc to a country that has sour ties with the US.although judging by the complexity of the virus,I suspect the american must be behind it.after all they the only one who have the utmost technological capabilites in creating something so detrimental such as stuxnet

perihal:

"“Here is their problem. They should throw out every personal computer involved with the nuclear program and start over, but they can’t do that. Moreover, they are completely dependent on outside companies for the construction and maintenance of their nuclear facilities. They should throw out their computers as well. But they can’t,“ he explained. “They will just continually re-infect themselves.”"
- FoxNews.com - Stuxnet Worm Still Out of Control at Iran's Nuclear Sites, Experts Say (lihat di Google Wikipinggir)