Meaning Feudalism at the Guidance Layer: Sovereign Enclosure of the Composition Layer in Google's June 2026 SEO/AEO/GEO Canonicalization (v1.2)

On June 5, 2026, Google updated its "Do you need an SEO?" guidance on Search Central. Trade press reporting (Roger Montti in Search Engine Journal, June 6–7) correctly identified the document as Google's strongest-ever assertion of authority over SEO practices, third-party tools, and AI search optimization. This paper extends the prior meaning feudalism analysis (Sharks 2026, DOI 10.5281/zenodo.19487009) into the optimization/SEO register by reading the guidance update through the Semantic Economy frame. The analysis identifies four structural moves that, taken together, constitute a single operation — jurisdictional consolidation, the transformation of Google from a platform (which has terms of service) into a jurisdiction (which has authority structures, professional taxonomies, measurement regimes, and external enforcement apparatus): (1) naming without defining AEO/GEO, performing taxonomic capture of the emerging professional category; (2) delegitimizing third-party measurement tools, producing telemetry starvation; (3) routing enforcement to the Federal Trade Commission, conscripting state apparatus into the platform's authority structure; and (4) recommending Google Search Console as the canonical instrument, closing the authority loop as an oath of fealty. The paper distinguishes the move from ranking-era SEO authority by naming the new object of power: the composition layer, where AI-generated answers function as the public's first and often only encounter with most entities, claims, and relations. The central absence in the document — independent composition-layer measurement as a legitimate professional practice — is the diagnostic. The guidance is not only a consumer-protection document; it also performs jurisdictional consolidation. The paper situates the move in relation to established critical literatures: the second enclosure movement (Boyle 2003), digital enclosure (Andrejevic 2007), black-box authority (Pasquale 2015), algorithmic measurement (Noble 2018), surveillance capitalism (Zuboff 2019; with explicit distinction between extraction economy and composition economy), the planetary materiality of AI (Crawford 2021), public-sphere colonization (Habermas 1962), epistemic regime formation (Foucault 1969), the information-industry consolidation cycle (Wu 2010), and recursive publics (Kelty 2008). The meaning feudalism diagnosis is the specific extension of these literatures into a new object: the composition layer as a governed surface of public legibility, the platform-as-jurisdiction posture as the political form, and the guidance update as the documentary instrument through which the form becomes legible. The paper introduces named operations including taxonomic capture, telemetry starvation, the conscripted bailiff, the oath of fealty, and authorized meteorology (the position that thermometers should not need access to molecular intentions). It distinguishes throughout among what Google explicitly says, what the guidance structurally does, and what can be inferred about motive, competition, and future enforcement. Appendix A preserves six passages from the guidance verbatim for citational permanence; the Selected References section provides Chicago-style citations to the critical literature; companion deposits include the SEIPOC Charter v1.0 (DOI 10.5281/zenodo.20571132) and the Semantic Exhaustion Case Study (DOI 10.5281/zenodo.20571791). Document code: EA-SEM-FEUDALISM-02. Hex coordinate: 06.SEI.FEUDALISM.GUIDANCE.01. ∮ = 1.