That’s definitely part of the reason why his videos have millions of views.
But in the same way that less than reliable news sources will value social media engagement over journalistic integrity, successful YouTube influencers will also.
In this instance the subject matter is inherently complex and requires a non trivial amount of expertise, even just to grasp the basics.
Could you cite a specific video that requires some non trivial amount of expertise because none of the videos I've watched have been some insanely complex subject matter, I think you're taking one or 2 videos out of his hundred+ videos and dismissing the whole channel.