One observation: You sound more like a fanboy than the author.
The author clearly had a focus, also expressed in the headline: to report from his migration from CVS to Subversion. His last sentence about "Subversion will be the future dominant revision control system" can be seen in two different ways: Either it expresses his enthusiasm, or it reflects his realism on the non-technical issues concerning tool selection by the OSS community (read Richard Gabriel's famous "Worse is Better" essay to learn what I mean).
Frankly, your name calling is also not appropriate. Calling all people who use centralized CMM systems dumb (with the exception of Greg Hudson) is by no means professional. I'm following CM systems closely, both in research and practice, since 1984. (Actually, your dialogue style reminds me at the atmosphere at the 1st International ACM Workshop on Software Version and Configuration Control, at Grassau (Austria). Lot's of people there who thought they have found the holy grail with changeset-based CM, too.)
I have worked both with centralized and decentralized systems, with revision and changeset approaches, with proprietary and commercial systems. Believe me, the world is not as black and white as you want to make it seen. There are very sound reasons for many CM versions, including arch, Subversion, and CVS [sic!]. It depends on feature points, maturity, type of support expected, how many legacy projects are around, familiarity, etc.
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