Why Your Best-Performing Ads Are Likely Hurting Your Growth

Growth strategist Ricardo Pouwels explains the risks of relying on last-click attribution in multi-channel marketing. Teams often chase immediate, visible conversion data at the expense of the top-of-funnel work that actually drives those sales. By focusing only on winning bottom-funnel ads, marketers starve their system of the discovery and education needed to scale. This creates a ceiling where growth stalls because the funnel stops functioning as a funnel and becomes a collection of discount-heavy retargeting ads. CMOs and media buyers can gain an advantage by moving from a data-only mindset to a logical marketing framework, which balances creative diversity with long-term scaling, even when immediate metrics look flat.

The Illusion of Last-Click Efficiency

When a brand uses ten channels, last-click attribution becomes a liability. It creates a false hierarchy where bottom-funnel assets, such as simple image ads or branded search, appear to be the primary drivers of growth because they capture the final click. This ignores the upstream influence of top-of-funnel content like video or CTV, which often do the heavy lifting of customer education.

Pouwels notes that when teams obsess over in-platform metrics, they often kill the very videos that make their conversion ads look successful. The result is predictable: once those top-of-funnel assets are gone, the conversion rate on the remaining winners drops because the pool of potential customers is no longer being replenished.

> "Sometimes you also just have to rely on logical marketing as opposed to getting lost into data to make sure that your funnel actually remains a funnel. And it is not just a bunch of fan image ads."
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> -- Ricardo Pouwels

The Scaling Ceiling of Search vs. Meta

Conventional wisdom often favors Google Search as a more efficient channel than Meta. Pouwels argues this is a dangerous simplification. Search is a high-competition environment where increasing budget often leads to diminishing returns and rising CPAs because the levers for improvement are limited.

In contrast, Meta offers more variables, primarily through creative diversification. Scaling on Meta is not just about spending more; it is about managing the spend to message ratio. By diversifying creative to address different pain points, such as durability, relief, or efficiency, brands can reach new segments that a singular, bottom-funnel message would never capture.

The 18-Month Payoff: Why Patience Wins

The hardest part of multi-channel management is the waiting game. When testing a new scaling channel or a significant budget shift, the feedback loop is rarely immediate, especially for high-consideration products with long buying cycles.

Most teams fail because they try to optimize for short-term metrics while running multiple, conflicting tests. Pouwels advocates for a structured, patient approach: state the hypothesis, define the timeline, which may be two to three months for high-ticket items, and then resist the urge to tinker. This requires the discipline to wait while the system adjusts, a period of discomfort that creates a lasting competitive moat for those who can endure it.

> "If we have an additional 50,000 to spend, we should push it towards meta for example. And then I say, if the test is successful, I expect this to happen, which is typically we see more new customers without too much of an increase in the end kick, which means we are scaling volume but the efficiency stays the same, which is a win."
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> -- Ricardo Pouwels

Key Action Items

• Audit your historical spend: Over the next month, map your last 12 to 24 months of spend by channel against top-line growth. Identify which channels were the primary drivers during your initial scaling phase.
• Implement ad-level spend minimums: Instead of letting the algorithm decide, force a balance. Allocate specific percentages, such as 40 percent top-of-funnel, 30 percent middle, and 30 percent bottom, to ensure your funnel remains a funnel.
• Decouple creative metrics: Stop judging top-of-funnel videos by last-click CPA. Evaluate them on hook rate, hold rate, and first-click attribution to determine if they are effectively stopping the scroll.
• Formalize your test hypotheses: Before shifting budget, document exactly what success looks like and the expected timeframe for results. This prevents impulsive mid-test adjustments.
• Invest in Logical Marketing: Over the next quarter, shift your creative focus from purely discount-based messaging to value-based messaging, such as durability or pain relief. This prevents account fatigue and expands your total addressable market.
• Accept the Waiting Period: For high-consideration products, commit to a 60 to 90 day test window where you make no major budget changes. This is uncomfortable, but necessary to gather statistically significant data.