[i_am_proteus]

Another tell is that the performer in the video assumes an exaggerated facial expression for the thumbnail image, a common practice in click bait videos.

[charcircuit]

Exaggerated emotions are just a way of marketing your video to viewers. It's good marketing.

[BenjiWiebe]

Isn't clickbait good marketing? I don't like it, but I'd say it is good marketing.