One of #TrainTwitter's missions is to get people to stop associating trains with locomotives (which have had little/no practical passenger application for about 50 years now) and it is clearly not going very well https://twitter.com/CWinterscale/status/975021868691288065 …
not everyone upgrades to new technology when it becomes available--which is understandable, as the old approach doesn't suddenly stop working, but they miss the benefits of the new. locomotives have clear *freight* application today, but MU is almost always better for passenger