The title says your picture of submarines is wrong, and the cutaway shows why in one glance. A hull packed with missiles turns a vague word like scarier into something you can count. The red label names the threat in plain words.
How the packaging works
Title
The title claims your mental picture of submarines is badly wrong.
Thumbnail
The cutaway shows a hull packed with missiles, making the threat countable.
Remix this
Use a cutaway when the interesting part of your subject is hidden inside it. Show the inside doing the alarming or clever thing, and let the title carry the claim. It suits any topic where the surface looks ordinary.
The transferable lesson
Cutaways sell subjects whose interesting part is hidden inside
NicheScienceTransport
FormatDocumentaryVideo Essay
Click driverStakes & TensionCuriosity Gap
Visual signalArrow
Turn the lesson into a decision
Apply this pattern to your next video.
Bring the reference into a packaging brief, then decide what your title and thumbnail should each communicate.