[worksonmymach]

Hard to avoid some tribal knowledge. To be free of it you need full reference documentation and tutorials for everything you do. And to update it as you go. And to realize what might be missing from a paedagogical perspective. Not easy and probably not possible for a commercial operation. And not necessary. 80-20 rule applies.

[smitty1e]

And applying that 80/20 rule implies a culture of writing things down and communicating them, which doesn't scale and is highly dependent upon the general chattiness of the team in question.