@octorine @dannotdaniel @cwebber
Besides all those very valid points, his explanations themselves are not very good.
Lots of 'do this for your render to look better' without going into even a basic explanation of what it actually does.
I used to teach Blender at a local college, and I always had to pay close attention to students who saw his content because they would think they know far more than they actually did, and then panic when they realize they're behind the rest of the class.