How can they predict the future so far in advanced? I don't mean what process they took, I mean it's a decade away, and I don't care who you are, you cannot pre

How can they predict the future so far in advanced? I don't mean what process they took, I mean it's a decade away, and I don't care who you are, you cannot predict the future. We could have some catastrophe, or major event of some kind, not to mention the required technologies never reaching maturity, and this will be a useless waste of time.