Someone had a stroke in the middle of that second sentence, either me or the author.

The whole point of doing it this way is that it doesn’t need to be maintained. Once it’s full you just fill the tunnels up (probably with dirt and/or rock) and close them off and you’re good, it’ll sit there for those 100,000 years.

Iirc, the problem with desalination is that it doesn’t actually produce salt, just a very salty water slurry. So for them to produce usable salt they’d have to dry it out or something. Not that that sounds like it would be particularly difficult, but it’s an extra step.

Had me in the first half, not gonna lie

Except there’s nothing left after the purge

Gandalf wouldn’t even still be there, since he was only there to aid in the fight against Sauron. He’d have gone off to Valinor shortly after Sauron’s defeat, together with the rest of the elves. And there’d be no Aragorn to be a good pal and extend the good lifespans of the realms of Men, so Gondor would never get a new king and the realms of Men would likely fall to evil a bit into the third age.

he did become the richest man in rome off it, so it would seem so.

Well, you seem to be more certain about this than i have been about anything, ever. Really no point to argue anything at that point.

“Listen to” and “obey” are two very different concepts, not sure where you got that I’m suggesting they do what he wants.

Source: my experiences. How would i possibly find sources for comments i read a year ago on an instance i have blocked? If you don’t believe me, that’s fine.