I understand your hyperbole, but the stress isn't necessary. The market will reveal where it wants quality and where it doesn't. Also, the Shuttle has always h

I understand your hyperbole, but the stress isn't necessary. The market will reveal where it wants quality and where it doesn't. Also, the Shuttle has always had 2 independently written systems, never five. There are five computers running software written to the same spec, but the physical redundancy wasn't the scope of the article.