My point never was that an e-mail message is a mailing list.
What is a mailing list? It is an "emergent phenomenon"(+). It is not just the mailing list manager; it is not just the handling of a single message. It's not the set of subscribers. It's the whole situation.
My favorite instance of emergent mailing list behavior was when a trouble maker named GUMBY created a "PLEASE-REMOVE-ME" mailing list, just for people who sent email to another entire mailing list asking to be removed from it, instead of sending their request to the administrator at mailing-list-name-REQUEST.
Whenever somebody would make that faux-pas, he'd add them to the PLEASE-REMOVE-ME mailing list, and the emergent behavior was that those people would discuss amongst themselves the fact that they really wanted to be removed from the PLEASE-REMOVE-ME mailing list, until they eventually learned that the way to get removed from a mailing list was to simply send email to PLEASE-REMOVE-ME-REQUEST, instead of the entire mailing list.
What is a mailing list? It is an "emergent phenomenon"(+). It is not just the mailing list manager; it is not just the handling of a single message. It's not the set of subscribers. It's the whole situation.
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+ As in: http://en.wikipedia.org/wiki/Emergence