The linked post shows how most non-tech people’s understanding of email is very very different from most of the people here.
Long story short, there is no ideal generalist instance. If you open the top 20 instances (https://fedidb.org/software/lemmy/)
- Lemmy.world is too big
- Lemm.ee is federated with hexbear and lemmygrad, something that is not very welcoming to new users (see this thread: https://sh.itjust.works/post/28798607/15305964 )
- sh.itjust.works names contains “shit”, which can deter users
- lemmy.ca is Canadian-centric
- feddit.org, as you mentioned, is German-centric, but technically English speaking too
- dbzer0 federated hexbear
- programming.dev is topic-centric (and has a database corruption for the last month https://programming.dev/post/20515601?scrollToComments=true)
- blahaj is queer-focused
- discuss.tchncs.de has a difficult name
- lemmy.sdf.org does not defederate anyone
- lemmy.zip is federated with hexbear and lemmygrad
- sopuli.xyz doesn’t have “lemmy” or “feddit” in its name
- beehaw is way outdated
- infosec.pub is topic-centric
- aussie.zone is country-centric
- midwest.social is region-centric
The next page has reddthat.com which is known to have federation issues with LW due to its location in Australia, and lemmy.today which does not defederate anyone