There are many bizarre visualizations that are solely cosmetic and serve no purpose other than to attract the eyes. I've noticed the same pattern with many other videos churned out by popular science channels. The visual editing is delirious and the narration is devoid of much intellectual substance. Hard to pinpoint exactly what's wrong with it, it's just extremely bland and borderline uncanny valley.

This video is targeted at the general public, not computer scientists or mathematicians. I think it does a great way of explaining complex concepts for lay people and make mathematics feel accessible and interesting. I can imagine my teenage step-daughter watching this video without getting bored to death, and seeing math as something interesting, a task in which I've been failing miserably so far.

That’s because those things make the video more interesting to watch. It’s targeted at a more general audience, not at scientists.