He has a number of tricks he uses from a monoto delivery, to meandering stories where the narrative constantly interrupts itself with. So you can’t really “follow along”.
To anyone who tries it, it's important to know upfront: there's nothing to "get." It's nonsense. It exhausts the brain without being interesting enough to keep it running.
My favourite episode (The Bear with a Comet on his Belly): https://www.sleepwithmepodcast.com/414/
I can't speak for other cheapskates, but I personally think it's more that YouTube is still so utterly inessential that if ads ever start managing to get past my ad blockers, I'll simply not watch.
Or if it is - why e.g. automated voices reading nyt articles are so bad?
The professionals…
On a related note reading HN comments is a prime example of sleepy text. Gets me every time.