Nobody in the world – not one single human being anywhere – knows how to make a mouse. It’s orders of magnitude too complex for a solitary mind. Like a thousand other everyday objects, it is a staggering achievement of modern society, the product of a thousand thousand simple ideas working together.
This post from 2012 illustrates why bunker mentality for a country won't work in the modern world. If we want a modern technological society, we need to be interconnected with people across the globe.