Sports are not regarded as intellectually fulfilling but these channels would change your perspective on how much Technique and Game Planning is involved at the highest level:

The Modern Martial Artist: https://www.youtube.com/c/TheModernMartialArtist

Adam Ondra (Olympian Climber): https://www.youtube.com/c/AdamOndra

Wylie’s Art and Science of Boxing: https://www.youtube.com/c/LeeWylie1

Also, I see no one mentioning Real Engineering: https://www.youtube.com/c/RealEngineering

Would also like to highlight Terra Mater (animal extinction & habitat): https://www.youtube.com/c/TerraMaterOfficial