You mean 20 minutes short. There's enough in there to blow it up into a 45 minute documentary at least. You already spent more than 20 minutes commenting under this story.
> The information density can almost certainly be denser.
And what would be the point of that? There's a limited amount of information one can retain in a short span of time, and it's not like he repeats himself or has a verbose style.
I already go back and rewatch his videos later, taking new pieces of information from them.
Again, if you want the tldw, it's already in the comments here. If you want the details, go watch the video.
The video is being linked because the video itself is good. Wanting a summary that retains the same qualities is like wanting to have your cake and eat it too.