TikTok, Meta, YouTube: Are Kids Being Addicted to Social Media? Landmark Trial Begins

A Los Angeles courtroom this week began hearing what lawyers describe as a landmark trial over whether Meta's Instagram and Google's YouTube were deliberately designed to keep children hooked, with internal company documents describing the platforms as 'like a drug' and comparing product features to casino mechanics.

TikTok and Snap were originally named in the lawsuit but settled for undisclosed sums before the trial opened. Meta and Google are fighting the claims in court.

The case centres on a single plaintiff, a 20-year-old identified only as KGM, who began watching YouTube at age 6 and joined Instagram at 9. Her lawyers argue that heavy social media use worsened her depression and mental health. The outcome could determine how thousands of similar lawsuits across the country proceed.

Why This Trial Carries National Weight

The case has been designated a 'bellwether trial', meaning the verdict will influence how courts handle a backlog of similar claims brought by parents, school districts and advocacy groups against social media companies.

If the plaintiffs win, the jury's decision could redefine what legal duty platforms owe to young users when their products cause harm.

The stakes extend beyond one courtroom. The trial is being watched as a test of whether American law will treat addictive digital design the same way it has treated other industries found to have knowingly harmed consumers.

What Internal Documents Revealed

Plaintiffs presented internal emails, studies and company messages to the jury during opening statements.

One internal Meta study, codenamed 'Project Myst', surveyed 1,000 teenagers and parents. The research found that teens who had experienced trauma or stress were particularly vulnerable to heavy platform use.

Internal Google documents compared certain YouTube product features to casino reward systems, describing how unpredictable content delivery kept users engaged for longer periods.

In one internal message, a Meta employee described Instagram as 'like a drug' and said employees were 'basically pushers'. Plaintiffs argue this is evidence of intent, not a throwaway remark.

The legal team also pointed to specific design features. Endless scrolling, push notifications and visible like counts were all engineered, they claimed, to exploit children's need for acceptance and inclusion.

The Human Cost At The Centre Of The Case

KGM's attorney told jurors she had been a 'fun and imaginative kid' before social media took hold. By the time she finished primary school, she had posted 284 videos on YouTube.

Over the following years, her mental health deteriorated. She developed depression and experienced persistent dark thoughts. Her legal team argued that the platforms' design accelerated that decline.

The jury will weigh whether her suffering could have been avoided had the platforms been designed differently.

How Meta And Google Are Responding

Meta's lawyer told jurors that experts disagree on whether 'social media addiction' is a valid scientific term. Heavy use, the defence argued, does not amount to addiction.

The defence pointed to other factors in KGM's life, including bullying and family conflict. Three of her mental health providers said they had never diagnosed her with social media addiction.

Google's legal team took a similar position. The trial, they argued, should determine whether social media made KGM's existing mental health issues worse, not whether social media is broadly good or bad.

Both companies maintained that their products were not designed to cause harm.

The trial is expected to continue over the coming weeks. A jury verdict could set legal precedent for how technology companies are held accountable for the mental health of their youngest users.