Inside the California Courtroom: Social Media Giants Face Landmark Trial Over Youth Mental Health

A pivotal trial opened in a Los Angeles courtroom this week, with attorneys for a young woman accusing Meta and YouTube of intentionally designing their platforms to be addictive to children. The case, expected to last six weeks, could set a precedent for thousands of similar lawsuits across the United States.

Mark Lanier, representing the plaintiff identified only as Kaley G.M., told the jury that Instagram and YouTube were built as "addiction machines" that deliberately targeted young users. He displayed internal company documents, including a 2015 email where Meta CEO Mark Zuckerberg reportedly demanded a 12% increase in user time on the company's platforms. Lanier argued YouTube prioritized its main service over its Kids app because it could "charge advertisers more," and accused the platform of exploiting parents seeking a "digital babysitting service."

Defense attorneys countered that Kaley G.M.'s mental health struggles stemmed from severe family issues, including neglect and abuse, not from social media use. Meta's lawyer, Paul Schmidt, presented records showing the plaintiff had been in therapy since age three and faced domestic violence at home.

The trial's outcome will test the legal argument that platforms bear responsibility for harms linked to their design choices. It coincides with a separate, major action by 29 state Attorneys General, who just filed for an injunction to force Meta to remove underage accounts, delete collected data on young users, and disable features like infinite scroll and autoplay for teens. The states called Meta's existing teen safety tools "a public relations measure.

Key executives, including Zuckerberg, Instagram's Adam Mosseri, and YouTube's Neal Mohan, are scheduled to testify. The gallery included parents who blame platform algorithms for their children's deaths, underscoring the high stakes. Snapchat and TikTok previously settled with the plaintiff and are no longer defendants.

Source: BBC News