Reasons to use a headblock in autopsy:

The video likely worked due to its unexpected and dark humor, juxtaposing a serious topic (autopsy) with a lighthearted, almost absurd presentation. The creator's confident delivery and the use of trending audio/visuals common on platforms like TikTok would also contribute to its reach.

A forensic pathologist humorously lists reasons to use a headblock during an autopsy, including cushioning, comfort, balance, and the deceased's inability to feel anything. The video uses a lighthearted and slightly morbid tone to present these points.