The other big miss is that the outside scenes have one or two people and a lot of green, and the indoor scenes have a tiny amount of utilitarian furniture.
There's no sense of stuff and clutter, urbanisation and buildings everywhere and people people people.
( and the train is nothing like high speed and aerodynamic - it has balconies! )
This could be limitations of the artist and of the medium.
These images were produced by chromolithography, a many-staged process of chemical interactions. Adding lots and lots of details and tiny, realistic figures would be difficult. And perhaps expensive. I can imagine a situation where the cost of the process is an exponential function of the number of places different colours have to border each other without bleeding.
It's tricky enough to draw that kind of thing in any medium.
There's no sense of stuff and clutter, urbanisation and buildings everywhere and people people people.
( and the train is nothing like high speed and aerodynamic - it has balconies! )