Which setting is it?

A good solution would be to have up/downvote on tags. The German image board pr0gramm.com has a system like this

I am with you, that this should be the default. Nevertheless it is easy to switch

Thank you!

I am not getting notifications for messages and replies. Is there a setting, that I am missing or is this not yet implemented?

There needs to be a script, that moves each of your reddit comment over to Lemmy and edits the reddit comment with a link to the lemmy post