" The cooperative approach has politically progressive roots—the theory is that students take ownership of their education when they learn from one another—but according to elementary school teachers I interviewed at public and private schools in New York, Michigan, and Georgia, it also trains kids to express themselves in the team culture of corporate America. “This style of teaching reflects the business community,” one fifth-grade teacher in a Manhattan public school told me, “where people’s respect for others is based on their verbal abilities, not their originality or insight. You have to be someone who speaks well and calls attention to yourself. It’s an elitism based on something other than merit.” “Today the world of business works in groups, so now the kids do it in school,” a third-grade teacher in Decatur, Georgia, explained. "
― Susan Cain , Quiet: The Power of Introverts in a World That Can't Stop Talking