This post assumes you have a basic understanding of what Lemmy and Kbin are. Which, in turn, assumes you understand at least the concept of federation.
The Issue Currently, the way Lemmy/Kbin (which I will refer to simply as “Lemmy” for the rest of this article) work like this:
Cool, so our user can access content from both instances. They go to Instance #1 to talk about transporation, and Instance #2 to talk about animals.
Yeah the fragmentation isn’t great, but people usually flock together. For instance, you have multiple subreddits for franchises like Pokemon, but over time people will only use the most active or the most specific sub (each PKMN game has its dedicated sub). Plus I believe I’ve read somewhere that communities could be merged in the future. So if we don’t have two or more stubborn mods, that don’t want to work together everything should be fine, probably.