Why it worked
The video uses a common relatable experience for artists (making a mistake or playing a prank) combined with a quick, satisfying resolution, making it engaging and shareable within the art community.
Summary
The video shows a digital artist drawing on a tablet using IbisPaint X. The artist initially draws peacefully, then jokingly reveals they've made a mistake or played a trick on the viewer by changing a layer setting, before correcting it and showing a thumbs up.