Those skills that make one successful in school (say solving math problems quickly) are often useless in adult life (say solving unsolved math problems).
We know that individuals from marginalized populations may be reluctant to contribute to group discussions. We know that WEIRD (Western, educated, industrialized, rich and democratic) perspectives dominate.
We have capacity to solve much more complex problems when working together compared to when we work alone, but we also have greater capacity to deceive ourselves.