@TheGent always good to see more lorebeards! There are a couple of good guilds in game- on the NA server, UESP maintains a guild (United Explorers of Scholarly Pursuits), and there's another called Loreseekers. I'm not in either because I don't have the guild space (yet), but they seem like they would be good for you.
There are also a bunch of good discords out there where a lot of talk (and debate) happens. Again, there's UESP; the official ES discord has a channel for discussion, and there are other, more focussed ones, too.
Other than that, jump in on any discussion you're interested in here, of course.