Well, it's up to the feed author what they want to include, and that's fine. To me, the point isn't "show all published content" in the feed, it's to notify me

Well, it's up to the feed author what they want to include, and that's fine. To me, the point isn't "show all published content" in the feed, it's to notify me that new content is available. I don't mind clicking through if the content is worthwhile (which it is, because why else am I subscribed?).