The General Motors global headquarters at Hudson's Detroit in Detroit, Michigan, US, on Monday, Jan. 12, 2026. Jeff Kowalsky | Bloomberg | Getty Images DETROIT — An ominous email about an oddly timed 15-minute virtual meeting. A scripted message from human resources. And an abrupt end to that meeting, as well as their job. That's how several General Motors employees who were laid off Monday by the Detroit automaker described their jobs being terminated to CNBC. "No appreciation or empathy. No questions. Nothing," said a data analyst who worked for more than a decade at the automaker. The layoffs impacted about 500 to 600 employees, largely in information technology roles in Austin, Texas, and Warren, Michigan, and came as the automaker reevaluates its workforce needs and cuts costs amid uncertain market conditions.…