They're saying it (might) be the only thing the world needs now, after all the advances it has made up to today, not that it takes $30M to develop it all from s

They're saying it (might) be the only thing the world needs now, after all the advances it has made up to today, not that it takes $30M to develop it all from scratch. There is a point at which a single step is enough to win a marathon; that doesn't mean it would have been enough when the race started.