The Mechanism: Intelligence Is Cheap, Permits Are Not
The defining shift is not that demand disappears—it does not. It is that the source of margin migrates. When intelligence becomes abundant and near-free, every rent that depended on an information gap compresses: the brand that existed as a mental shortcut, the category-management edge, the demand-sensing advantage, the trader’s data moat and the per-seat software licence. What survives is what abundant intelligence cannot manufacture: a licence, a permit, an audited qualification, physical route density and a relationship.
The repricing engine here is reclassification, not mean reversion, which is why it is glacial and then violent. The market still files these assets by their industry sticker while the underlying economics re-sort by moat type. That lag is the opportunity.
The GLP-1 Calibration Most Models Get Wrong in Both Directions
Consensus errs in two opposite ways. Bulls on the “Ozempic hits food” trade assume the volume tax is deep and imminent; sceptics assume poor adherence makes it negligible. Both miss the actual shape.
Persistence is genuinely poor and not improving—roughly a quarter discontinue by three months, a third by six, and over a third by twelve. The on-drug population is therefore not a cliff. But it is growing fast because price and access collapsed, not because people stay on longer: cheap orals, aggressive self-pay constructs, mandatory Medicare Part D formulary inclusion from 2027 and semaglutide generics already live in several large markets.
The result is a broad, shallow, compounding tax—on the order of 0.5–1.5% a year on indulgent calories and rather more on developed-market alcohol. Shallow is not safe. Direct-store-delivery and route-to-market networks are step-fixed. A cumulative 10–15% volume loss does not shave margins linearly; it breaks asset utilisation non-linearly into route consolidation, plant closures and impairments. The ordered hazard is predictable: rating-outlook cut, goodwill impairment, levered M&A, dividend cut and expulsion from quality and dividend-growth factor baskets.
The Agent Question: Consolidation, Not Disintermediation
The fashionable fear is that shopping agents become toll booths that tax every basket. The 2026 evidence points the other way. Retailer-owned assistants are being absorbed as features, monetised through existing margin and retail media, and kept to low-take plumbing by payment and platform rails. The only explicit agent take-rate visible—around 10–15%—is charged to external retailers that lack their own agent.
Agents therefore become a scale-consolidation force inside retail: own scale retailers with an owned agent and proprietary basket data; avoid sub-scale grocers that become tollable endpoints or acquisition targets. The binding ceiling on the grocer long is domestic politics and accounting, not Silicon Valley. Disclosing roughly 70%-margin retail media next to expensive food baskets invites margin-cap and windfall scrutiny, and part of that “media growth” may simply be reclassified trade promotion.
The New Leg: Substitution, Not Subtraction
GLP-1 does not only subtract calories; it substitutes them. As calories get cheap, satiety, protein, fibre and micronutrient density become the scarce consumer good. The binding constraint is manufacturing: whey and casein fractionation, isolates, high-shear extrusion and, above all, regulatory-qualified aseptic and medical-nutrition filling lines.
Fermentation chemistry will very likely be commoditised by Chinese state-backed overcapacity around 2029–31, exactly as happened to vitamins, lysine and erythritol. The durable node is not the biology; it is the audited, inspected, customer-qualified line and the already-permitted brownfield site. Because those permits, grid connections and water rights are contested by data centres, the brownfield premium is structural rather than cyclical.