DOJ vs. Google: A Digital Advertising Monopoly or Just Smart Business?

The courtroom battle between the Department of Justice (DOJ) and Google has finally reached its climax, with closing arguments done and a decision expected by the end of the year. It’s not just another antitrust case; this could be a turning point for the entire digital advertising ecosystem.

Here’s what’s happening, why it matters, and my take on the whole situation.

What’s the DOJ Accusing Google Of?

The DOJ isn’t holding back, accusing Google of monopolizing open-web display advertising through tools like DoubleClick, Google Ads, and AdExchange. According to the DOJ, Google has a stranglehold on:

  1. 91% of the publisher ad-server market
  2. 87% of the advertiser ad-network market

The DOJ even brought out a 2009 email from a Google exec outlining a plan to “display what Google did to search.” If that’s not a blueprint for domination, I don’t know what is.

Another sticking point? The DOJ slammed Google for deleting internal chats that could’ve been key to the investigation. It’s like a bad episode of CSI: Silicon Valley.

Google’s Defense: It’s Not Monopoly, It’s Innovation

Google, of course, has a different story. It’s pushing back hard against the DOJ’s claims, arguing that the market is much bigger than what prosecutors say. By including competitors like Meta, TikTok, and streaming platforms, Google argues its market share isn’t 91%—it’s closer to 10%.

Google also says it poured billions into developing its ad-matching tech and shouldn’t have to share its “secret sauce” with competitors. Fair point, but is that innovation or just locking everyone else out of the kitchen?

What’s the Real Issue Here?

At its core, this case is about how much control one company should have over the tools that connect publishers and advertisers.

  • Publishers say they feel trapped by Google’s ad stack but can’t afford to opt out.
  • Advertisers claim there aren’t enough alternatives to reach massive audiences.
  • Small businesses are bearing the brunt of rising ad costs.

The DOJ claims Google pockets up to 36% in commissions, while Google insists it’s down to 31% and still dropping. But honestly, does that make the situation much better?

What Happens if Google Loses?

If the court rules against Google, the next phase could get messy. Remedies might include forcing Google to sell off parts of its lucrative ad tech empire. Imagine Google having to let go of DoubleClick or AdExchange—huge, right?

And this isn’t Google’s only legal headache. There’s another antitrust case focusing on its search engine dominance, which could even threaten assets like Chrome.

My Take: Why This Case Matters for All of Us

This isn’t just about Google—it’s about the balance of power in digital markets. When one company dominates too much, it stifles innovation and limits choice. But at the same time, we need to acknowledge that Google’s tech is cutting-edge for a reason—it works.

Still, having worked with publishers, advertisers, and small businesses, I’ve seen firsthand how reliant they’ve become on Google’s ecosystem. That’s not healthy for competition.

If this case pushes the industry toward a more balanced playing field, I’m all for it. But let’s not forget that real change will take more than one court decision—it’ll take an entire rethink of how digital advertising works.

A Word for Brands

For businesses, cases like this are a reminder to diversify your advertising strategy. Don’t put all your eggs in Google’s basket. Explore alternatives, test new platforms, and build a strategy that’s resilient, no matter what happens in the tech world.

At 42Works, we specialize in helping brands navigate these complexities. From custom ad strategies to performance-driven campaigns, we’re here to help you thrive—Google or no Google.