Sure he does. And he probably has a reason. But it is absurd to assume he hasn't considered that "trains" allow more people in shorter ties than a single car. S

Sure he does. And he probably has a reason. But it is absurd to assume he hasn't considered that "trains" allow more people in shorter ties than a single car. So you can speculate why he does as he does, but you are talking about someone sending people to space.