There are people like that, too. They feel like no one will ever need them again. No one will ever want them.
But I don't think that's true.
At the very least, someone will come along and bull-doze them. That's what will happen to the buildings, too. And in the end, that will probably be best.
Because at least that way, a construction company is making money. And that's of economic use.
The end.