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			I think my favourite essay I've ever read is The Tyranny of Structurelessness. It is at once very specific to it's context but also applies to so many more. jofreeman.com/joreen/tyranny.htm
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			tl;dr : if you don't have a formal hierarchy, you probably have an informal one instead. and it's much harder to change an informal hierarchy than a formal one. (but read the whole thing)