Conclusion Iden-Lab-RSS-28, whether a concrete device or a thought experiment, crystallizes contemporary tensions: the technical ease of inferring identity from diffuse signals, and the ethical imperative to constrain how those inferences are used. The project invites a pragmatic ethic: build useful systems, but design controls, accountability, and community governance into their DNA. If engineers, policymakers, and publics treat RSS-28 as a rehearsal for real-world choices, they can shape outcomes that amplify human flourishing rather than exacerbate harm.