Economist, why so pessimistic about open source medical devices software?

I read an interesting article in the Economist’s Technology Quarterly of June 2nd-8th of 2012, p. 17-18, on open source medical devices software. Let me summarise for you: the article starts by showing all the benefits of medical devices software that is developed using open source models, and there are many. For example, security of high risk medical devices that might be hacked at a distance to be used against the patient could be much improved if many creative minds with different points of view wo [...] « Read the rest of this article on medicaldeviceslegal »