Imagine a 14-minute tutorial on recording an interview. At minute nine, it spends four minutes troubleshooting echo: identify whether the sound is coming from the room or the call, change the relevant setting, then play back a short test. That section has a complete promise of its own. Someone looking for an echo fix may have no reason to watch the earlier microphone setup.
I would check three things before pulling it out. First, where do viewers appear to enter and leave? Chapter use, timestamped comments, and the retention curve can offer clues, though none proves why someone left. If people arrive near the echo section and leave just after the playback test, they may have got what they came for. If they continue through the rest of the tutorial, the fix may be more useful in context.
Second, can the section stand alone without rebuilding half the video? “Fix echo in an interview recording” needs enough context to identify the cause and verify the result, not just a four-minute excerpt with missing setup.
Third, count the cost of another title, thumbnail, opening, and maintenance whenever the settings change. A separate upload only makes sense if its clearer viewer promise is worth that repeatable work. Otherwise, a chapter may be the cheaper way to make the fix findable.
What evidence do you use before turning a recurring section into its own upload?