The curse of knowledge applies here. https://en.wikipedia.org/wiki/Curse_of_knowledge https://en.wikipedia.org/wiki/Curse_of_knowledge Most/all of these things

The curse of knowledge applies here. https://en.wikipedia.org/wiki/Curse_of_knowledge https://en.wikipedia.org/wiki/Curse_of_knowledge Most/all of these things are so basic it's hard to remember learning them, and thus hard to remember that each new hire needs the basic onboarding to Slack or whatever.