[m463]

I always thought the train network stuff was annoying... but a good exercise.

I think part of the enjoyment is a bit of struggle.

For example, once you get the assemblers working with arms loading widgets to make more widgets...

... then you get assemblers that take fluids.

And after that, you move to oil/gas/refineries with different ratios, a problem that is the same, only different.

So yeah, the train network was imperfect, but you could struggle towards perfection and get pleasure out of the struggle.