The software that is in question was designed by Bosch back in 2007. Even then it was known internally that emmission testing equipment could be duped but nobody thought it was a big deal and the story was buried.
What's interesting is that lots of people who bought new VWs will be in for compensation. This will be good for the auto trade as people will have compensation that they want to spend on . . . a new car!
One way to boost the economy is by getting big companies to 'splash the cash' in compensation payments.