No its the greatest weakness of the Fediverse.
By grouping them you could be on multiple
And sure, we can group them, link them, publish them in podcasts, whatever; but you specifically said merging them which involves only letting one of them exist. I’ve seen a couple good analyses on the issues with trying to artificially merge communities or limit creation of them, such as the points from this.
MisterD@lemmy.ca 10 months ago
And small niche communities might not be so small once merged and would guarantee the survival of the communities.