Honestly its better for reddit to die. The content is community created and it should be community owned. Sure the fediverse has some things people are not used to but the users are running the instances of the sites themselves. By us for us. The code is free and open source so if a new feature is requested it can be added etc. Also there is no big company demanding profits above all else. Its a labor of love.
It will take time but if many of the users who migrated stick with it it will grow organically from there