@LaurensHof
> Nor is it clear what good interaction pattern between two different types of platforms (microblogging and link-aggregators) would even look like

It looks like people on micro-posting apps being able to join forums, see new thread posts from them in their feed, and comment on them. While forums benefit from a larger pool of people who might join and contribute, compared to only people using Lemmy, MBin or PieFed.