I, also, have observed the same, and find it a source of concern that so many seemingly-former denizens of these virtually space-borne halls have, for whatever reason, or reasons, not felt compelled to refresh the appearance of their respective member identifiers among the ranks of those affixed to the posts of the few that herein more regularly appear.
Meanwhile, Professor David Lambuth turns in his grave.
Not indecipherable then?
I’ll have to try harder.
I’ve seen it too, but periodically check up on the UT’s ping list. Some folks just don’t come anymore, but a lot of them are gone, whether they’ve not posted for years or they fell to the zot themselves. The list is rather shorter than it used to be.