Is this expected to happen in the near future re: this board disappearing?
As the Buddha said, everything is temporary.
That I know of, there are no immediate plans to get rid of it. But eventually, it will be archived, be placed in maintenance mode or just vanish. And with the intertubes, when it's gone, it's really
The owner has a very hands-off approach. He renews the registration for it, but that's about it. The software needs an upgrade and he's the only one who has the magic words to do it. We also need new material to boost traffic. But he does not seem to have time for either. He might not renew registration.
He might one day decide he doesn't want this around. He might one day accidentally delete the database. Who knows?
There was an earlier version of the forum (started in 2005, I believe). It was shut down and archived. We used to have access, but 2 or 3 years ago it just vanished. I suspect he moved or deleted the file.
Alternatives include the IGI forum, ATT forum, reddit subforum, some other forum (there are a zillion of them) or starting your own. I considered starting one, but Mrs Screwtape, the sensible stick in the mud that she is, said, "no fcking way. Some crazy person will come after you." Meh. She's probably right.