The Meta Trial in Oakland Could Reshape Social Media Worldwide

The lawsuit that could redefine the internet

A six-week trial in Oakland is about to decide whether the core architecture of Facebook and Instagram was designed to exploit teenagers — and if so, whether that design must be torn down worldwide.

Twenty-nine states have filed suit against Meta, arguing the company built its platforms to hook young users with infinite scrolls, autoplay, push notifications, and vanity metrics while concealing internal research linking those features to depression, anxiety, and self-harm. The four lead states — California, Colorado, Kentucky, and New Jersey — are presenting the case, which rests on 233 pages of allegations.

The stakes are unprecedented. California officials estimate potential damages at roughly $200 billion, compared with the $1.4 trillion figure Meta warned about. That $200 billion number is close to the $206 billion tobacco settlement of 1998.

But the money is only part of the story. If Meta loses, the more consequential remedy may be a court order forcing it to redesign its platforms — and doing so separately for American users would be technically impossible and legally reckless. Meta would then face the same kind of lawsuit in Europe, in Australia, anywhere its products operate.

Why the global fallout is the real point of this case

Most commentary on this lawsuit focuses on the US: can 29 state attorneys general win? Can they prove the allegations? That framing misses the larger implication.

The case is testing whether a for-profit social media platform can be held accountable for the psychological design of its product — not just for what it allows to happen on it, but for how it was engineered to keep people scrolling. A finding of liability would establish a new legal category: product liability for algorithmic engagement.

That is a category regulators in Brussels, Canberra, and beyond have been circling for years without a clear mechanism to enforce it.

The European Union’s Digital Services Act already requires platforms to assess systemic risks, but it does not prescribe the kind of product-level remedies the US states are seeking. The DSA is a transparency and risk-assessment regime. It tells companies what to study and report; it does not tell them how to redesign. If an Oakland jury rules that Meta must remove infinite scroll for users under 18, end certain recommendation algorithms, or stop displaying “likes” to teens, that order would effectively set a de facto global standard — because Meta has no incentive to maintain a separate American version of its product.

This is not speculation. In the app industry, maintaining dual codebases for different regions is a real cost. When the product at issue is an algorithmic feed optimized for engagement, the difference between a safe feed and an unsafe feed is not a toggle you flip per geography. It is the underlying architecture.

So a US verdict does one of two things: it either forces Meta to redesign for the whole world, or it gives other governments an incentive to do the redesign themselves — faster, and with more ambition, than they otherwise might.

Who wins, who loses, and what happens next

If Meta loses, the company loses first. Any court-ordered redesign would cut directly at the engagement metrics that drive ad revenue. The states describe Meta’s business model as a four-step loop: hook, hold, harvest, hide. Removing the hooks and holds is not a product tweak. It is a fundamental restructuring of the value proposition.

Meta’s attorneys have argued that the company has built tools to help users manage their time and has always tried to balance safety with experience. But the lawsuit does not just allege harm — it alleges deliberate design informed by adolescent brain science. That distinction matters for a jury. It shifts the case from negligence to intent.

If Meta wins, the immediate effect is minimal: the status quo continues. But even a win carries consequences. A ruling in Meta’s favor would signal to regulators in other jurisdictions that algorithmic engagement design is not, at present, a cognizable legal wrong under US-style consumer protection law. That would embolden Meta to resist similar claims elsewhere. It would also slow the momentum behind the digital duty-of-care framework gaining traction in Australia and the EU.

The Australian experiment

Australia has already moved ahead of the US on this issue. Its Online Safety Act imposes a duty of care on social media platforms toward young users, with enforcement powers held by the eSafety Commissioner. The law requires platforms to take reasonable steps to prevent cyber harms and to design systems that reduce risks to children.

What happens in Oakland will be watched closely in Sydney. A US verdict finding Meta liable would validate the Australian approach and make it easier for other countries to justify similar legislation. A US acquittal would hand ammunition to platforms arguing that duty-of-care frameworks are unworkable or legally speculative.

The same dynamic plays out in the EU. The European Commission’s Digital Services Act is being implemented now, but the kind of structural remedies the US states are seeking — removing specific design features, capping engagement loops, restricting data collection from minors — are not currently part of the DSA’s enforcement toolkit. If an American court orders those remedies, the Commission will face pressure to expand its own powers or risk looking half-hearted.

Japan and South Korea are also moving on platform governance, though their approaches differ. South Korea has tightened rules around teen screen time and real-name policies. Japan has introduced guidelines for safer social media use but has resisted binding regulation. Both countries are unlikely to ignore a major US verdict one way or the other.

The duty of care question

There is a third possibility — one that the source material flags but that deserves more attention. Rather than pursuing liability after the fact, governments could impose a digital duty of care that requires platforms to design safely from the start. This shifts the focus from punishment to prevention.

That is essentially what Australia is attempting. The UK’s Online Safety Act follows a similar logic. The EU is debating whether the DSA’s risk-assessment requirements should evolve into something closer to a duty of care.

The advantage of a duty-of-care framework is that it does not depend on proving intent or specific harm in a single case. It sets a standard and enforces compliance prospectively. The disadvantage, from the platform’s perspective, is that it removes the option of arguing, as Meta’s lawyer did in Oakland, that the company “recognized” problems and “tried to come up with tools” to address them.

If Meta loses in Oakland, the duty-of-care argument becomes harder to dismiss. The states’ case is not about whether Meta ignored known risks — it is about whether Meta engineered those risks into the product. A jury finding on that question would give regulators worldwide a template for how to frame their own requirements.

What to watch

The trial began this week in Oakland and is expected to last six weeks. One of the states’ key witnesses is Arturo Béjar, a former Meta safety engineer and whistleblower. His testimony will be critical. If he can connect internal Meta research on adolescent brain development to specific product decisions — the ones cited in the complaint — the case shifts from broad allegation to documented intent.

The financial dimension is also worth watching. California Deputy Attorney General Megan O’Neill framed the four parts of Meta’s model as hook, hold, harvest, hide. If the jury accepts that framing, the redesign order would likely target the hooks and holds specifically: infinite scroll, autoplay, push notifications, and possibly the visibility of like counts to younger users.

Whatever the verdict, the ripple effects are already writing themselves. A loss for Meta means a global redesign or accelerated regulation. A win for Meta means a temporary reprieve — and likely a more aggressive regulatory response abroad. Either outcome changes how social media operates worldwide.

The case in Oakland is not just about Facebook and Instagram. It is about whether the architecture of attention can be held to account — and if so, where the rules will be written.