was very fun to watch and got me to think about this "tools for thought" space in spite of my general determination to avoid it like the plague.
I quibble, though, that this (or Roam) has much to do with Zettelkasten, where the point is to be able to create links between arbitrary fine-grained fragments. That's not the same as arbitrarily deep outlines connected together using WikiWords.
https://www.lesswrong.com/posts/NfdHG6oHBJ8Qxc26s/the-zettelkasten-method-1