I don't see a reason to believe that the majority of users on Lemmy are Reddit refugees, because every time Reddit makes a bad decision, we see a boost in new users.

Technology is one of the most duplicated community name, yet Lemmy.world technology community is one of the most popular, so I don't see community duplication as the biggest issue. The biggest problem with Lemmy and other fediverse app , was always that most people don't understand the appeal of decentralization, because most of them never experienced censorship, so it doesn't directly affect them. I think decentralized app creators should stop using decentralization as the main selling point, and focus instead about the fediverse being open source and about the diversity of clients you can use to navigate them. While also simplifying things like adding an pick a server for me, ability to merge communities with similar or same names, simplifying migration to other servers with the ability to migrate everything including posts.