Slate
Researchers found that the higher the humanities exposure, the higher these students scored on measures of empathy, wisdom, tolerance of ambiguity, resourcefulness, and emotional intelligence, and the lower they scored in signs of burnout.

From personal experience, the people most in need of greater “empathy, wisdom, tolerance of ambiguity, resourcefulness, and emotional intelligence” are the last to ever think they are deficient in any way.  Additionally, they are also usually void of any interest in any aspect of the humanities.