I mostly agree, but look at the Technology community. Technology@beehaw.org, Technology@lemmy.ml, Technology@kbin.social, Technology@lemmy.world. They are all about the same thing and subscribing them all gets a lot of dupes.
They don’t want you to talk about female dogs.
Who told you my password?
https://lemmyverse.net/communities?order=subscribers
They can sort by subscribers.
mastodon.world announced they won’t block threads yet and lemmy.world has the same owner.
Just read all the other comments in this post asking for a technical way to merge similar communities. I’m just asking for the same thing.