Truth is a process, not just an end-state. The Righteous Mind was about the obstacles to that process — confirmation bias, motivated reasoning, tribalism, and the worship of sacred values. Given the many ways that our moral psychology warps our reasoning, it’s a wonder we’ve gotten as far as we have, as a species. That’s what’s so brilliant about science: it is a way of putting people together so that they challenge each other and cancel out each others’ confirmation biases and tribal commitments. The truth emerges from the interaction of flawed individuals.
But something alarming has happened to the academy since the 1990s: it has been transformed from an institution that leans to the left, which is not a big problem, into an institution that is entirely on the left, which is a very big problem.