Is there an option to have a detailed cab and route but limit the detail in coaches? I never (unless it's a requirement for a scenario) ride as a passenger. I would rather have the details as the driver and lineside rather than interiors that I'll never see.
Environment artists and train artists are 2 different jobs and skills. They can't create a highly detailed cab and barely model the passenger coaches. What if players want to be a passenger. The cab can only be as detailed as can be so they couldn't really make it more detailed