The financial history of the Baltimore and Ohio since the close of the nineteenth century is interesting chiefly in connection with changes in the control of the property. ↗
My training as an engineer has enabled me to design the stuff, but the reason I do it is not to make music but for the opportunity to work with musicians. ↗
You can also make explicit certain social problems which, again, would be prejudged or not encountered at all in real life, because people have set up defenses against it. Fantasy allows you to get past defenses. ↗