By Kate Watts, CEO, Fifty Thousand Feet
A recent study by New York University and Emory University suggests that AI-generated ads outperform human creative in click-through rates. This has ignited a debate. Some see it as proof that machines are overtaking the craft. Others dismiss it as shallow math. Both reactions miss the larger implication.
If AI is better at optimizing ads, we should ask a more uncomfortable question: has advertising become too small a proxy for brand strength?
Clicks are measurable, but brands are lived. When we reduce brand value to immediate response metrics, we confuse promotion with meaning. The research does not trumpet the end of creativity. It reveals how narrowly we have defined effectiveness.
That distinction matters because the metrics we choose shape the work we produce, the talent we reward, and the investments we defend in the boardroom.
Advertising Is a Narrow Instrument
Display advertising is built for precision. It is optimized against a single outcome. Click-through rate, or CTR, measures how often someone clicks after seeing an ad. It rewards clarity and familiarity. It favors what has worked before.
AI is well suited for that task. It absorbs historical data, detects patterns, and refines outputs against a defined goal. In a contained space with fast feedback, AI will outperform human instinct.
That should not surprise us. But we shouldn’t let the logic of performance advertising determine how we value a brand.
Improving a message is not the same as building a brand. Message optimization increases the chance of a reaction in the moment. Brand building shapes memory, trust, and preference over time. It defines what a company stands for and how it behaves consistently across contexts.
AI is strong at optimization because optimization follows patterns. Brand building requires judgment. It requires deciding what remains consistent, what evolves, and what the company will not compromise.
The danger is not that AI produces effective ads; it’s assuming that effective ads are enough. If success is defined only by response, creative teams will chase response. If success is defined by sustained relevance, they will make different decisions.
When Promotion Becomes Commoditized
Here’s another problem with short-term measures of ads: when ads are optimized only for immediate performance, they start to look the same. Over time, that sameness erodes distinction. More ads may perform, but fewer brands stand apart.
If anyone can generate a high-performing ad in hours, high performance becomes easier to manufacture. A strong CTR begins to reflect execution efficiency, not brand strength.
Distinctiveness builds long-term value. Sameness delivers short-term lifts. When we rely only on performance metrics, we risk mistaking one for the other.
Design for Coherence Across the Whole System
If short-term optimization makes advertising look the same, then differentiation has to come from somewhere else: the brand that people actually experience.
A brand is more than a campaign. It shows up in the product, the onboarding flow, the store layout, the packaging, the way customer service answers the phone. It shows up in how returns are handled. In how clear the pricing is. In whether the tone on social matches the tone in the app.
When those pieces line up, people trust you. When they don’t, no headline can repair the gap. This is where long-term value is built. Not in a single ad, but in repeated experience.
AI can help manage that complexity. It can catch inconsistencies. It can standardize language. It can help teams move faster. But it cannot decide what the brand believes or what it refuses to do. That decision belongs to leadership.
What Leaders Should Prioritize Now
For CMOs and design heads, the moment calls for clarity.
- First, separate operational efficiency from strategic intent. Use AI to remove repetitive production work. Protect human time for defining what the brand stands for.
- Second, broaden the definition of effectiveness. Move beyond campaign metrics and incorporate indicators of long-term brand health like brand preference, repeat purchase behavior, Net Promoter Score, customer lifetime value, and share of category search. A click captures attention in a moment. Brand equity captures commitment across years.
- Third, invest in the lived experience of the brand. Audit where promises and delivery diverge. Close those gaps before optimizing headlines.
- Finally, articulate a clear creative North Star. Your creative need to understand how AI fits into the broader ambition of the brand. Without that context, technology becomes a cost-saving device rather than a strategic tool.
If machines outperform us at ads, that may simply mean we have treated ads as the primary battleground for too long. Ads may become easier to make. Meaning will not. That is still our work.
