Meta’s first witness told a jury the problem was Mark Zuckerberg’s culture

Arturo Béjar testified that Meta’s safety failures stemmed from the culture created by Mark Zuckerberg, which made it “practically impossible” to implement wellbeing-focused features. He explained that the company’s countermeasures were left as optional settings rather than defaults, so users—especially teens—rarely engaged them, supporting the states’ claim that Facebook and Instagram were designed to hook minors and harvest data.