In an open letter, Darl McBride determines that the GPL and open source software is, among other things, a threat to US security. Evil doubleplus bad people in other countries can obtain "their" intellectual property for free over the internet (even from countries they as good wholesome apple pie eating Americans would never sell to) and use the technology to build a virtual supercomputer in short order. This supercomputer would no doubt be used to create more weapons of mass destruction, without giving SCO their just desserts, and kill puppies.
I'm convinced that you have to be on some really good drugs to reach these conclusions.