Just to clarify, that although the journal functionality hasn’t seen many updates recently, we don’t intend to remove journals. The misunderstanding came from a comment from a relatively new user. I’m sorry that wasn’t clarified in that thread earlier but now has been.
In my experience, journal posts don’t have high visibility because you don’t get a header notification (a red bubble) for them. We’re working on updates that should make it easier in the future to see journal posts from people and projects you follow, if that’s something you’re interested in.
When it comes to searching for journal posts (and iNat blog posts), I use Google if I can’t remember when it was (or who wrote it). e.g. this search for inaturalist journal diy moth light