Four US families have filed a wrongful death lawsuit against four of the biggest names in social media — Meta, TikTok, Snap and Google — according to Engadget.

The case was brought by the Social Media Victims Law Center, which accuses the companies of creating platforms that are addictive and dangerous by design. That framing is the legal heart of the complaint: rather than arguing that a particular post or video caused harm, the argument is that the products themselves were built in a way that hurt the people using them.

That distinction matters more than it might sound. Wrongful death claims ask a court to hold someone responsible for a death that resulted from their conduct — here, the conduct alleged is the design and operation of the apps. Suits aimed at what users post have historically run into strong legal protections for platforms that host third-party content. Suits aimed at how a product is engineered look more like traditional product liability, the body of law that covers defective cars or unsafe machinery.

Engadget identifies the defendants as the parent companies behind Instagram and Facebook, TikTok, Snapchat and YouTube — collectively, the services where a large share of young people spend their time online. The Social Media Victims Law Center, the organization behind the filing, represents families who say they were harmed by these platforms.

The available reporting does not detail the specific circumstances of each family's loss, the damages sought, or how the companies have responded. Those details, and whether a court accepts the design-defect theory at all, will determine how far the case goes.

It matters because a court that treats social media feeds as products rather than as neutral pipes for other people's speech would open the industry to a category of legal risk it has largely avoided.