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Paid · 6 min read25 June 2026

The Machine Is Grading Its Own Homework

Google Performance Max and Meta Advantage+ now decide where your budget goes and report results in aggregate you cannot act on. They also take credit for conversions already in the funnel. Handing spend allocation to a self-reporting black box is the opposite of knowing your numbers, and here is how to keep enough control to still answer the only two questions that matter.

You cannot optimise what you cannot see. And you cannot see where your money went. So what exactly are you optimising?

6 min read

I have sat on both sides of this table. The client side, where you sign off the spend and then wait for someone to tell you it worked. Then the agency side, where you are the one writing the report that says it worked. So believe me when I say I know exactly what is happening right now, and it is the oldest trick in the book dressed up as progress.

The AI ad platforms have taken the steering wheel off you. Google Performance Max and Meta Advantage+ now decide where your money goes, then hand you a report that tells you how well they did. The machine spends the money and the machine grades the result. That is not automation. That is the platform marking its own homework, and a frightening number of operators are letting it.

Here is my position, and you are welcome to disagree with it. Handing spend allocation to a self-reporting black box is the exact opposite of knowing your numbers. It is flying blind with extra steps. It feels like efficiency and it is actually surrender.

What you actually handed over

Let's be clear about what these tools do, because the marketing for them is very good and the reality is quieter.

Meta's Advantage+ Shopping runs your targeting, rotates your creative and allocates your budget on its own. You set a campaign live and the machine decides who sees it, what they see and how much it costs to put it in front of them. Google's Performance Max does the same across Search, Display, YouTube, Gmail and Maps in a single campaign. You feed it assets and a goal. It feeds you a number back.

The number is the problem. The reporting comes back aggregate. You see the result for the whole campaign, not the parts. You cannot see which placement worked, which audience converted or where the waste sat. Google opened the box a crack in April 2026 with asset-level disapprovals and some demographic reporting, but the headline figure still arrives as one lump you cannot pull apart and cannot act on.

This is the bit that should make you sit up. Every channel is a chess piece. It has moves on the board, a certain number of directions it can go, and you need to understand those moves to play. These platforms took the pieces off the board and told you to trust the result. You are not playing chess anymore. You are watching someone play and clapping at the end.

The homework problem

Now the part that turns a visibility problem into a money problem.

These platforms do not just grade their own work. They claim credit for conversions that were already coming. Advantage+ Shopping will happily count a sale from someone who was already in your purchase funnel, someone who was going to buy anyway, and present it as a conversion the machine drove. The default customer budget cap is generous, which means a real slice of your spend goes to retargeting warm people who had their wallet out before the ad loaded.

Think about what that means commercially. The machine retargets your warm audience, books the sale they were already going to make and writes itself a glowing report. You read a strong number and feel good. The number is real. The credit is fiction.

7.4%

WPP Media forecasts Australian ad spend will grow 7.4% to USD$21.6 billion in 2026, led by retail media, search and social. More money is pouring into exactly the automated channels that report back in aggregate.

This is the same trap I have watched for years on the agency side. The people running the spend are incentivised to tell you it is working. Now the spend runs itself and the platform is incentivised the same way. The attractors will always say they are doing a good job. They get paid to. You have simply removed the human and kept the conflict of interest.

I have measured this market. Across Australian businesses the pattern is consistent and it is ugly. The ones who hand spend to the machine and read the machine's report cannot tell me what their money actually did. They can tell me the platform's number. Ask them how much of that conversion volume would have landed anyway, with no ad at all, and the room goes quiet. That silence is the whole article.

This is not new, the digital version just hides it better

Picture your physical shopfront. A thousand people walk in. You have eyes on the floor, cameras in the corners and a register at the till. You can count who came in, watch what they did and see who walked out with a bag. The tracking is built in. You could not avoid it if you tried.

Your digital shopfront does not work like that. If you do not capture it yourself, it is gone. You cannot get it back. The black box platforms know this. They sit between you and your own data and they hand you the version of events that flatters them. In a physical store you would never let the person running the till also write the sales report and refuse to show you the footage. Online, that is the default setting and people accept it.

Numbers on the board are the lifeblood. Everything else is noise. The platform's self-graded report is noise wearing a suit.

What I would do about it

I am not anti-automation. Let me say that plainly so nobody runs off with the wrong idea. The machine is good at things humans are slow at. It tests more combinations in an hour than a team does in a month. The tools are not the enemy. Surrendering visibility and calling it efficiency is the enemy.

So here is what I would actually do.

Keep structure in the account. Do not pour everything into one black box campaign and call it a strategy. Carve out enough of your spend into channels and campaigns you can read, so you have a control group that tells you the truth. If you turn the automated spend down and revenue holds, now you know something. If you turn it down and revenue drops, now you know something else. Either way you learn. That is a win that costs you almost nothing to run.

Exclude your existing customers and your warmest retargeting pools from the automated campaigns where you can, then watch what happens to the conversion number. If it collapses, the machine was booking sales you already owned. If it holds, the machine is actually finding you new people. You cannot know which until you test it, and the platform will never volunteer the answer.

Hold the two questions in front of you the whole time. Do you know how much money you make. Do you know how much money you spend. We can work back from everything else, but if you cannot answer those two off your own numbers, not the platform's, you do not have a strategy. You have a hope.

Where this goes

The money is moving toward these tools, not away from them. Retail media alone is set to reach AUD$2.3 billion in Australia in 2026, up 19.5%, the fastest growing channel in the market. More automation, more aggregate reporting, more machines grading their own work. That train is not stopping and I am not asking you to stand in front of it.

I am asking you to keep enough of the wheel in your hands to know where the car is going. Let the machine drive the bits it drives well. But keep your own instruments running, keep a corner of the account you can read and never take the grader's word for the grade. An operator who does not know what their money did is not running marketing. They are funding someone else's report and hoping it is true.

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Filip Ivanković
The Debrief / From Filip Ivanković
One every morning. Six months in, you'll see the patterns most don't.
Strategy, benchmarks, and what's actually moving in Australian marketing. Four-minute read. The reps compound.
Filip Ivanković·Founder, New RebellionAboutLinkedIn