But what is called Groups now is something else entirely, as you said.
FYI, Google Groups are literally the “groups” of Google Workspace — every time you create a group of users to e.g. assign that group some GCP roles, that group then also gets an email address (that being the group’s global primary key), and that email address then implicitly becomes a mailing list all group members are subscribed to.
It’s actually very useful in a corporate Google Workspace context — it’s rare to need an actual mailing list given Slack et al, but they’re effectively “group email-forwarding aliases”, allowing messages to e.g. [email protected] to arrive in the inboxes of multiple people.
When Google bought the Dejanews archives I thought it was good, because Google was good at search and I naively still believed that the company actually wanted to make all information accessible. It's a real shame that all of the old Usenet stuff is gone.
If anyone here knows how to get the uuencoded part of that message, I'd be interested.
I wrote the first custom NNTP client for Deja. (This was a high-performance replacement for the community, open source client.) All it did was receive and dump articles in a format for the indexer. It did some light processing, including stripping uuencode content. So uuencode never even made it into the archive.
https://www.seroundtable.com/google-discussion-search-dead-1...
https://browsermedia.agency/blog/google-kills-discussion-sea...
I will say one thing I've found strange is how spotty old posts are. Even within the same newsgroup. I can easily track down old posts of mine but sometimes stuff is spotty within a single thread. I've not seen any true rhyme or reason to what's gone and what remains.
The technology is still up and running. Some of the people from the 90s are still there. But Usenet definitely has peaked in terms of users and postings.
Usenet was a distributed set of news peering relationships, exchanging posts via NNTP. There was nothing to acquire, so that's not what happened.
Google merely set up a web interface to it, which was eventually extended to the abomination that was Google Groups. This was intended to be some sort of mix of Usenet group and mailing list, all via a web interface. In reality it was awful and I suspect development on it stopped 10+ years ago.