I'm not sure how to describe this, but mock-shock it's not.
Reaction videos are the lamest and laziest form of YouTube content. This is not just a statement of opinion, but one of actual factual FACT! (oldman)
The thumbnails usually include an image of the creator sporting a goggly-eyes, open-mouthed, mock-shock expression; often making them looking like a simpleton. But nothing quite as dim as this.
