I can't really say I see a similarity to either the Manhattan Project or the Cold War. I don't see how one could apply either massive retaliation or MAD. These are private companies, they are not vested with the necessary authority to destroy anything. Even if they had it, they couldn't. You can't destroy China, they have 1.4B people, nukes, and a large part of the world's manufacturing. So multiple organizations want to do something first, that could be anything from nukes to railroads to lining up for communion wafers.