If trains were first invented today, they would never be built.

What the fuck does this even mean? That this came from a native English speaker -- who presumably attended some kind of elite American school -- is more than a little concerning. Greatest education system in the world right there.

No rail-less nations are building rail networks.

Is he talking about America? If so, the word he's looking for is "brainless," not "rail-less."

No, China doesn't count because they're the Paragon of poor economic choices.

Cope and seethe, lib. And for the love of heaven, learn how capitalization works.