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I tend to disagree. Everyone has to do even the simplest of tasks for the first time and reinventing the wheel is often a waste of effort.

If you think that everyone just knows how to do this, take a close look at your last set of reviewer comments; were all of them pithy, accurate and demonstrating a close understanding of your work?

That may be true for researchers, but there are a lot of implementors who take original research and try to apply it to problems.

I hope you have never TAd a class.