Vibe Decay: A Field Guide to How Projects Actually Die

Vibe decay originates in the gap between expectations and reality — but not the kind of gap that gets talked about in post-mortems. Founders build with a mental model of how adoption will unfold. Usually that model involves thousands of enthusiastic early users, rapid organic word-of-mouth, and a natural transition from "promising product" to "established tool" within the first year. The actual experience is typically dozens of curious explorers who never return, a handful of genuinely interested users who want features that do not exist yet, and very slow organic spread that feels indistinguishable from stillness. When reality diverges significantly from that mental model, disappointment sets in. That disappointment bleeds into how founders talk about the product in public channels, which affects how existing users perceive its trajectory, which affects whether those users become advocates or churners, which produces outcomes that confirm the original disappointment. The cycle is not inevitable — but it is common enough to be treated as a structural feature of early-stage product development rather than an individual failure.