Let me see if I have this straight -- I'm getting a bit of a headache.
If you make a new link, article, or photo {on kbin} it will become a thread in a magazine which you must choose. Replies to that thread are comments and go to everyone following that (thread? magazine?)
If you make a new post it will become a non-threaded {untitled} microblog entry in a magazine which you must choose. Replies to that microblog post will be replies and go to everyone mentioned by username.
If the latter is true, I wonder why there isn't a hidden "microblog" magazine for microblog entries. Why are they forced to belong to a certain magazine? If the user isn't subbed to any mags what shows up in the "select a magazine" dropdown?
{Edited to add missing words and this: the interface said "thread created successfully" (or similar) and calls this a thread in the right sidebar. At that point I legit couldn't remember if I made it as a post or article. It appeared under microblog. The profile overview shows it as a post and not a thread. }
#fedia
If you want to create a new thread you have to go up to the + sign at the top right and select what you want to add. A bit confusing, but shouldn't in theory take that much trouble once we all get the hang of this.