Observed Signal · Apr 29, 2026 · Opinion · Source: AdExchanger · Impact: 2/5 · Sentiment: Positive
AI Should Elevate, Not Scale, Mediocre Ads
An opinion piece by Erin Emmerson (Co‑Founder & CEO, Tower 28) published on AdExchanger on April 29, 2026 argues that AI's value in performance marketing is not in churning out more of the same creative at scale but in making cultural nuance and taste scalable. The article suggests AI can surface micro‑communities, regional cultural differences and creative tensions, but cannot replace human judgment on brand voice, positioning and long‑term equity. Emmerson recommends shifting measurement away from reductive last‑click metrics toward signals like brand search lift, repeat engagement and sentiment, and asks marketers to use AI for volume while humans set creative standards and make trade‑off decisions that prioritize lifetime value over short‑term ROAS.
Practitioner-focused guidance on how to apply AI to creative and measurement in performance marketing — relevant to marketers and AdTech vendors but not a platform policy/product announcement or major industry structural change.
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Key Takeaways & Evidence Grounding
- Opinion article published on AdExchanger on 2026-04-29 by Erin Emmerson, Co‑Founder & CEO of Tower 28.
- The author argues AI can scale cultural nuance and identify micro‑communities for creative targeting.
- The piece warns AI should surface tensions (e.g., short‑term clicks vs. long‑term brand health) rather than resolve brand judgment calls.
- Recommends measuring beyond last‑click attribution, including brand search lift, repeat engagement rates and sentiment, and optimizing for return customers/LTV.
- Advocates combining AI-driven volume with human oversight to preserve brand voice, creative quality and long‑term equity.
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