First, any attempt to be comprehensive is doomed to failure from the start. So we tend to provide examples from our experience, expecting that the reader will have either the professional skills, or the willingness to learn, that will allow them to apply the CONCEPTS expressed in the article to their own situation.
Second, out here in the real world, many of us have to collaborate with others who are, shall we say, less diligent in their computer hygiene (and sometimes personal hygiene, but that's another story) than one might prefer. One attempt to integrate desynchronized edits on on collaborative document created out of 3 offices spread across the U.S., and you'll start locking down your sh**, too.
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