Not parent but came across it yesterday as well, in these comments: https://news.ycombinator.com/item?id=37770008 (Show HN: A nom parser for the Starcraft 2 Protocol Replay format)
Before these two comments, I would have assumed most people know before clicking that it's an acronym that derives humor from the contrast between "smart" and "stupid". Maybe periods would help?
FWIW: My hunch when I read the title was that it would be about “overly smart” programmers who tended to write code that was too dense/tricky to be maintainable by anyone but themselves. Hence smart programmers writing “stupid” (aka unmaintainable/inscrutable) code.