It’s a bit like saying Dropbox is just a GUI on top of TLS.
Well, it is. After all, for a Linux user, you can already build such a system yourself quite trivially...
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...
That said, I don't really understand the supposed misunderstanding you point out. It seems that dang argues that "the exchange was pleasant and successful." I've never seen someone claim otherwise.
Rather, I've seen it used as an example of how technical users can fail to recognize the complexity inherent in their workflows, and therefore may also fail to see the real-world business value in creating (and selling) simpler interfaces. See also a SMOP: https://en.wikipedia.org/wiki/Small_matter_of_programming
>You are correct that this presents a very good, easy-to-install piece of functionality for Windows users. The Windows shortcomings that you point out are certainly problems, and I think that your software does a good job of overcoming that. (emphasis added.)
They still fail to understand that this is not a Windows or Linux issue but a reliability and ease of use issue. Not to mention the fact that the desktop Linux marketshare was probably less than 1% and therefore irrelevant in this context to begin with.