The emergence of a luxury overnight train startup inspired by freight rail highlights a growing interest in premium train travel in America. User comments emphasize the disparity in train quality based on geographic regions, contrasting experiences between European and North African overnight trains. Comments reflect nostalgia for train journeys and suggest that improving existing rail services and making them more affordable could enhance the appeal of train travel in the US. There is also curiosity about the target demographic for luxury rail services, with speculation on whether they cater to affluent travelers or those seeking a unique experience. Overall, there's a demand for more efficient, comfortable, and modern train journeys in the US, especially as some routes show signs of being oversold and underdeveloped compared to their east coast counterparts.