Device sovereignty entered this week's AI hardware conversation not as a technical argument but as an identity claim — 'your AI runs on YOUR hardware. no cloud dependency' [6] — repeated across multiple threads as if the act of repetition were itself a kind of commitment. What is worth examining is how quickly a sentiment that once belonged to homelab enthusiasts has acquired economic scaffolding. The practitioners now making this case are not arguing from principle alone; they are arguing from six months of electricity bills and inference latency logs.…