It's not that complicated. Have you ever read something from this guy or similar (eg James Clear, Ryan Holiday, Peterson etc). If you do, it will become obvious quickly, that all these people do is blow up every little bit of information into it's own little chapter, and 10 more chapters to sell it to you under a different name. Most of the stuff they tell you are platitudes or rehashing of what has been said before. Next thing, if they are really good salesman, you will find them on Ted or Tom Bilyeu, because they are so good at it, everybody wants to have a piece of the pie.

It’s like self-help: in principle it’s supposed to help people and in practice if it does, that’s great. But in practice, the content is inevitably over-stuffed with padding, which sorts of contradicts the very principle of getting stuff done and not wasting time.

The productivity genre also never seems to provide empirical data to back up their recommendations. Like it would be great if these gurus actually conducted experiments into the best notes-taking systems. Evaluate them against each other with real results.

Oh, you say that every person’s best system is going to be different? Then maybe an innovation in this genre should be helping readers figure out which system should be best for the self, rather trying to prescribe one-size fits all systems and merchandising it with bullet journals and paid tools and the like.