Only a small number of users are implicitly motivated to organize their knowledge bases.

These are people who are happy to put in concrete costly effort for only abstract possible value.

These are people who have adopted Personal Knowledge Management tools even in their current generation.

A tool that helps you organize your life would have to show that non-PKM users like using it, too.

Otherwise even if it had early momentum it would get stuck in the same low ceiling that PKMs do.