Yup. I'm a regular member of two relatively large forums focusing on SF and writing. This may be controversial, but I like the constraints of a non-branching d

Yup. I'm a regular member of two relatively large forums focusing on SF and writing. This may be controversial, but I like the constraints of a non-branching discussion. In my opinion, unlike HN and Reddit's branching comments, linear posting allows for more in depth discussion of topics. One concession to the times is a proliferation of discord servers for the community, for various writings (including the notorious alien space whale which these two are most known for), subject matter groups (engineering hard SF hardware), and just general subcommunities.