Yeah but it appears to be a bit more specialized and narrowly focused than a blog because a) it's apparently deleted after a few minutes or really hard to find

Yeah but it appears to be a bit more specialized and narrowly focused than a blog because a) it's apparently deleted after a few minutes or really hard to find after a short interval, and b) responses and reactions are shown only to that person and not the others who view ie. Also I don't know what makes this more true for the story than the feed: "stories actually engages followers/contacts with the content."