It's no worse in its origins than the series of lines joined together that form both the WCML and the ECML — it's just that in the years since Grouping much more money has been spent on those routes.
Almost like they're more important or something...
)! Let's not forget the Class 55 Deltic - I'm guessing travelling in the Mark 1 and Mark 2 coaches must have been relaxing - ok before the HST's the rolling stock was known to not be great but still...