Recently, I've had a somewhat different feeling about building products. Let me jot it down. Likes Take Seconds; Products Don't Since vibe coding emerged, projects have been skyrocketing on GitHub in no time. Racking up tens of thousands of stars in two days has become common. After Collins Dictionary named vibe coding its 2025 Word of the Year, the pace didn't slow down. Supposedly, a quarter of the projects in Y Combinator's Winter 2025 batch had codebases that were 95% AI-generated. The entire open-source ecosystem is taking on an increasingly strong "note-posting" vibe. This state increasingly resembles Xiaohongshu (China's lifestyle-sharing platform similar to Instagram). A fun idea, an interesting angle, is enough to draw people in to browse, drop a spark, download, and try it out. The approach has passively turned into "posting notes"—have an idea, post it; if it blows up, great; if not, move on to the next one.…