Saying you don't understand journalism's obsession with CMS is like journalists saying they don't understand HN's obsession with programming languages.
"But it's what you do that matters, not how you get it done!"
That's accurate. I think the obsession with programming languages on HN is also misplaced. Choice of programming language is far from the most important aspect of the SDLC, as I see things.
Ah, but when every publisher has their own system, going from place to place can make for some pretty rough transitions. The question comes down to whether you work for the system or if the system works for you.
"But it's what you do that matters, not how you get it done!"
Yeah, sure.