I believe multiple notifications were sent to everyone on the core team about adding their keys to keys.openpgp.org a while back, so I suppose we can conclude that any keys that haven’t been added by now probably won’t be added. In that case, I suppose there are two options:
We could remove those email addresses from the page, but I suppose it’s possible that the problem is just temporary or that something else is going on.
Thanks for the heads up. I’ve updated the description to reflect the fact that Fosshost has ceased operations.