People have quietly wondered this question and never asked it out loud. The skull biting down beside the carrots makes the comparison concrete without any gore. You wince, then you need the answer anyway. That is the trap.
How the packaging works
Title
The title asks the forbidden question everyone has quietly wondered about.
Thumbnail
The skull and carrots stage the grim comparison without real gore.
Remix this
If you teach a subject with dark corners, voice the question your audience is too shy to ask. Use a stand-in image, a model or a diagram, to show the horror without blood.