banjoflyer posted:And to piggy-back on Marty's reasoning here's a map of USA population density. The darker the red color the more people there are in that area. If I were selling model trains I too would cater more to those RR lines that were in the highest population densities[.]
The Santa Fe F series warbonnet is the top-selling locomotive of all time. Sometimes style wins out over substance (or population density).
What, me worry?