Cross-posting has struck me as a little strange and I think maybe this is a part of it.
Doesn’t it benefit larger communities more than smaller ones by keeping the activity in a larger one, since they can comment there rather than go to the smaller community? 🤔
I have pondered a similar idea.
Maybe something client side, where same named communities get merged into one as a view.
But lemmy to me, who browses /all/new, has a terrible problem with “spam” - valid posts in some cases but one person posting the same thing to 20 communities and overwhelming the feed