Interestingly the picture on the website shows a train car with a container and not with people. I wonder if they are focussing on cargo first and people later?

Interestingly the picture on the website shows a train car with a container and not with people. I wonder if they are focussing on cargo first and people later? It would seem to make things a lot easier in the beginning, since cargo is much less problematic to put into a closed tube for a while.