Node replies are almost like those weird stories where everybody adds a paragraph, only looking at the paragraph above.
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Definately fun, and definately useful, but is it that constructive?

I think so, take Essential CGI Security Practices as an example. Very little of the thread's value is in the original post. All the suggestions add value to the thread resulting in something much more informative than a single article. I believe this could apply to Juerd's suggestion as well.