Wait until you hear about the Gran Colombia.
Radio Free Ubanism talked about this last week, and they said that Amtrak has already ordered cars to replace these, but they won't be delivered for another 18 months, so it's going to be a long period of disruption. There was some talk about Amtrak leasing cars from regional transit agencies (Sound Transit, possibly) to fill the gaps for a while.
That's probably a fair assessment, but still a rather damning indictment of the industry writ large.
There are definitely better versions of cryptocurrency that I think could be more useful, but the industry is definitely not headed in that direction. Instead, it's all pump-and-dumps, rug-pulls, and other schemes that render them nothing more than highly speculative asset classes in which the underlying asset has no intrinsic value.
Squirrels in North America and parts of Europe are the chaos gremlins, but the result is the same.
https://en.m.wikipedia.org/wiki/Electrical_disruptions_caused_by_squirrels
Portal 1 & 2 were the first to my mind as well. I really like this list, actually.