Written by Sheera Frenkel and Mike Isaac “Raise your hand if you know who is getting fired?” a Meta employee wrote in an online chat group for the company’s engineers this month. “Fire emoji if you think it’s a dumpster fire.” In response, his colleagues posted dozens of tiny flame emojis. “I’m already fired,” added a former Meta employee who worked in the company’s business division for nearly four years before most of his team was laid off this year. “But who can keep track?” Mark Zuckerberg, Meta’s CEO, has declared that 2023 will be the “year of efficiency” at...