I was looking for this, thank you. I cannot get over when people try and keep all this knowledge in their head. Have they never worked on something written by s

I was looking for this, thank you. I cannot get over when people try and keep all this knowledge in their head. Have they never worked on something written by someone other than themselves? I know it usually isn’t, but it really feels like some kind of hubris that makes people allergic to writing a paragraph block comment in the code.