For what it's worth, in regards to the ongoing dispute on how long waystones survive whole blocked... Well, it looks like citations have resolved a substantial part of it, but still, in regards to this:
We can look back at what we did to Vlag. There, when we were proposing clogging waystones (that is, severing the downstream connection and just letting things build up, rather than pointing them in a direction and having the dhar just get dumped there), we were told that would eventually turn into a permanent clog which killed the stone:
Now you can technically argue that "eventually" could mean "not for several centuries", but given that it was being noted as a problem with doing this, moving along with the expedition, and coming back afterwards, this would be a really misleading way to phrase that outcome. If letting a clogged waystone accumulate for even a year was safe, that would mean we would have been fine to just clog it and be on our way, with no meaningful risk of permanently breaking a waystone short of us dying in the expedition. Boney seems to pretty clearly be saying that's not an option here, so I expect golden age (or, presumably, reverse engineered) waystones with no outlet still can't accumulate more than a month or so of dhar without potential issues, and almost certainly not a turn.
Speaking of which, uh, maybe let's not set up waystones which are either incredibly expensive or become a permanent blight on a network after someone jams them for a few days? That just seems like a bad idea. I'm willing to spend a few years or a decade or whatever producing waystones only with high degrees of effort if it means we can eventually make affordable things and still shut them down for maintenance. And as people have so often mentioned, that means getting started now, so we have the most time to get optimizing. I really do think "make sure high-end dwarven runesmiths have yet another way to spend some of their highly limited time getting lots of money" is less important than "make it as hard as possible for waystones to accidentally get blown up because someone hit the off switch and died before anyone else hit the on switch again". Storage kind of matters. (And things improving over time without needing our AP sunk into them is always good to see. And avoiding the present Uluthani situation of "we can make the things but it's so incredibly expensive it's worth Eltharion throwing an incredible amount of political power behind a random human-focused project to potentially decrease the price" seems, uh, good. Expensive waystones can clearly get really really expensive if things go wrong.)
[X] Plan Building A Better Future (With reverse engineering)