For the past two years, the marketing world has run a very expensive, very public experiment: replace human creative teams with generative AI and see what happens to the bottom line. The results are now in, and they are not what CMOs expected. While 82% of ad executives believe Gen Z and millennial consumers feel positively about AI-generated ads, only 45% of those consumers actually do — and the gap has widened since 2024.
That perception gap is not a rounding error. It is the reason some of the world's most recognizable brands — in the West and in Japan — spent the past two years publicly walking back AI-generated campaigns after watching them actively repel the customers they were built to attract.
Case 1: Coca-Cola's "Soulless" Holiday Trucks
Coca-Cola doubled down in 2025 with a second AI-generated holiday ad, this time showing animated animals admiring its iconic trucks — a technical improvement over the first attempt, but one that still drew criticism for feeling artificial. Viewers described the characters as devoid of genuine emotion, and the visuals as soulless in a way audiences could feel even if they couldn't articulate why. A July 2025 CivicScience survey found that 31% of consumers say AI use in ads makes them less likely to choose a brand — a direct, measurable dent in purchase intent, not just an abstract PR headache.
Case 2: McDonald's Netherlands Pulls Its Own Ad Within Four Days
McDonald's Netherlands' 45-second AI-generated Christmas spot, "It's the Most Terrible Time of the Year," took a production team roughly seven weeks to build. It debuted on December 6, 2025. It was pulled four days later, after viewers called the visuals "creepy" and "soulless." McDonald's later called the episode "an important learning" — corporate language for a costly miscalculation about what its customers actually wanted to see.
Case 3: Valentino Discovers That Disclosure Doesn't Prevent Damage
Valentino's openly-labeled AI-generated campaign for its DeVain handbag drew comments calling the visuals "disturbing," "sloppy," "cheap," and "lazy." A senior Getty Images creative executive offered the sharper diagnosis: audiences forgive AI content made for personal amusement, but hold brands — especially expensive ones — to a much higher standard. A peer-reviewed Journal of Advertising Research study backs this up experimentally: when luxury brands disclose AI-generated imagery, consumers read it as less creative effort, which directly discounts the brand's perceived value and authenticity.
Case 4: Japan's Own Warning Shot — McDonald's "AI♡ポテト"
Japan is not a bystander to this trend — it produced one of the earliest and most-discussed examples anywhere in the world. In August 2024, Japan McDonald's posted a promotional video for a discounted french fries campaign on its official X account, featuring AI-generated young women created by a known AI illustrator, holding fries in various settings. The post drew over ten million views — and an overwhelming wave of negative reaction. Commenters called the AI-generated figures "unsettling" and said the video made them lose their appetite entirely; the most-cited flaw was a woman shown with six fingers in one frame, an unmistakable tell that undercut the entire campaign's credibility in seconds. Commentators writing about the backlash pointed to the uncanny valley effect — the psychological discomfort that occurs precisely when a synthetic image looks almost, but not quite, human.
This case matters more for market-entry purposes than any Western example, for one simple reason: it wasn't a foreign brand's ad translated into Japanese — it was created and posted by a company with deep local operating history in Japan, and it still badly misjudged the room. If McDonald's Japan — with decades of local market experience — could misread audience tolerance for visible AI artifacts this badly, the risk is materially higher for a company entering Japan for the first time with no local creative feedback loop at all.
The Underlying Theory: Why This Keeps Happening
Three forces are compounding, and they explain why this pattern is accelerating rather than fading:
- The effort heuristic.* Consumers use visible craftsmanship as a proxy for how much a brand values them. AI imagery — however labor-intensive the prompting actually was — reads as low-effort, and audiences punish brands for what they perceive* as indifference.
- Pattern recognition is improving faster than AI output.** Consumers have developed a sharp eye for slightly-off proportions, uncanny motion, and the distinctive texture of synthetic video — a six-fingered hand is all it takes to break the illusion and the trust along with it.
- The backlash is generalizing beyond individual campaigns.** A sentiment survey of over 6,000 US consumers found overall sentiment toward AI-generated advertising skewed negative, with only 18% expressing positive feelings. Brands like Aerie, Equinox, and Almond Breeze have gone further, building entire campaigns around explicitly rejecting "AI slop," while Dove has pledged never to replace people with AI in its advertising.
Why This Matters Even More When Entering the Japanese Market
The Japanese case study above should reframe how any foreign company thinks about localization here. This is not a market where "translate the AI-generated global campaign into Japanese" is a safe shortcut — it is arguably the market with the least tolerance for the specific failure mode described in every case above.
Japanese consumer culture places extraordinary weight on monozukuri — pride in the craft and precision behind a product — and on trust that is earned slowly and lost quickly. Quality-control expectations here are famously exacting, and audiences are primed to notice small imperfections that would pass unremarked elsewhere. The McDonald's Japan case proves the point with brutal clarity: a visible AI artifact as small as an extra finger, in a single frame, was enough to turn a routine discount promotion into a national news story about what the brand valued — or didn't. For a company with no existing brand equity in Japan, a misstep like that doesn't just cost one campaign; it can define first impressions before a single customer has bought the product.
The conclusion isn't "avoid AI." It's that AI-assisted production without local creative judgment is one of the highest-risk shortcuts a foreign brand can take when entering Japan — precisely because the market rewards visible craftsmanship and punishes anything that reads as outsourced indifference, faster and more publicly than most Western markets do.
We Can Help
This is the gap Bybeit Corporation was built to close. We help overseas companies — from cutting-edge AI developers to brands with no prior presence in Japan — enter the Japanese market with the local insight that turns technically excellent products into campaigns and communications the Japanese audience actually trusts. Through our JETRO-supported network, we connect foreign companies directly with the Japanese partners, creative judgment, and market context needed to avoid exactly the kind of costly, avoidable misstep every brand in this article learned the hard way — and, working the other direction, we help Japanese companies build the same kind of trusted connections abroad. If your product is ready for Japan, let Bybeit make sure your first impression is too.