I think the more interesting cases are 3D printing of weapons, and in the future programmable biological material. One of his statements is that he himself, may

I think the more interesting cases are 3D printing of weapons, and in the future programmable biological material. One of his statements is that he himself, may not like the applications enabled by general purpose computing, but that even if he personally doesn't like them they shouldn't be outlawed or banned. Google messing around with their app store is peanuts compared to the government banning or restricting 3D printers because they could be used to evade gun control for example.