EDIT: the clickbait YT thumbnail is garbage. This is actually a useful Blender tutorial that is short and direct without trying to bait you into plugins.
https://piped.video/watch?v=MezOnZN1x18
Uploaded to YT today 3/15/24.
(No affiliation between myself and the CC “3D Jake”. That is just a coincidence)
IIRC it is an extension for youtube that changes titles and thumbnails to more accurately reflect the content of the videos
Exactly this. It’s crowd-sourced replacements for thumbnails and titles to more accurately reflect the content of the video. I only shared it because of the mention that the video was very much a clickbait title and thumbnail.