When you're developing against Apple technologies and web search takes you to a page with the left header you know you're about to find some good answers. If you see the right header, you know you're about to learn jack shit.
I really liked NeXT's developer documentation for AppKit.
This explains a lot.
She also did an oral history with computerhistory.org
https://archive.computerhistory.org/resources/access/text/2024/03/102808938-05-01-acc.pdf
Is it the "are you the best ... in the worldā question?
She tells her version in her oral history.