Well, first impressions:

  It is part of our human condition to long for hard lines and clear concepts. When we have them we have to either face the fact that some realities elude them, or else bind ourselves to the inadequacy of the concepts.

https://fs.blog/impressions-are-schematically-determined / https://archive.is/F8uPE

Agreed. Once long (10+ years) ago, google3 may have been peak codebase. Nowadays, not so much.

Edit: I guess it also depends at what level of abstraction you work. High: can be easy breezy. Low: oh boy.