> Any competent shipper facing a train issue will just put the load on semis instead for 3-10x the price.
Did you not see how the markets recently reacted to certain components merely doubling in cost due to tariffs? In what world do you live in where the agricultural margins are high enough that the cattle ranchers can just casually absorb a threefold cost increase? Clearly they're eating the loss, because if they passed those costs onwards in the chain there'd certainly be huge economic consequences, as I said, and you wouldn't have felt the need to try and correct my premise. Anyway, I'd like to visit this world of yours, though only if you'd be buying the meals.
> Freight rail mainly exists as an low cost bulk carrier of convenience these days.
This is what happens when one tries to create a narrative from DoT statistics.
The reason why rail freight tonnage is less than truck tonnage is long-haul vs short-haul. You deliver lumber from the timber yard to the finishing facility once. That's rail. You don't load up trucks with semi-finished logs on an industrial scale, you don't load them with coal, you don't load them with industrial quantities of gravel or sand or steel either.
Once you have the logs processed into boards, then you use trucks to carry those boards to various short-haul destinations, where some of the boards are further processed into fence pickets and bird houses and old-timey sign posts that Roadrunner can inadvertently spin around so Wile E ends up taking a completely wrong turn. All of that stuff then goes to storefronts and warehouses (also short-haul) and as a result, the short-haul tonnage can count twice, three times, or even more, depending on just how many steps are being taken between "tree" and "birdhouse".
> Ships outcompete rail for bulk goods along inland waterways
Which is great along inland waterways, but if you're not located along them, you're probably using rail to get the bulk goods to the shipyard.