A groundbreaking lawsuit accusing Meta Platforms of using discriminatory AI tools to decide who would be laid off shines a spotlight on the steep obstacles workers face in challenging employers over the technology, especially in uncovering how it was deployed.

The case helps illustrate why a widely predicted wave of employment lawsuits over AI use has yet to arrive. Legal ⁠experts say workers often have little understanding of how AI systems are used ⁠in the workplace and many have also signed away their right to sue in court, agreeing instead to resolve workplace disputes through a private process called arbitration that can keep such claims from ever being tested publicly.

In a ruling last week declining to block Meta from ​finalizing the terminations of 26 people who sued, U.S. District Judge William Orrick identified a fundamental obstacle for ​plaintiffs who ⁠allege that AI discriminated against them: "they were not in the rooms where it happened."

That means workers like the Meta employees, who claim they were targeted for layoffs because they have disabilities or took medical or family leave, often cannot muster the evidence of wrongdoing necessary to quickly secure a win in court.