I'd take a look at Haidt's actual paper, not just chalk it up to conservatives complaining. Among other things, Haidt is fairly liberal in his politics—this is

I'd take a look at Haidt's actual paper, not just chalk it up to conservatives complaining. Among other things, Haidt is fairly liberal in his politics—this is an honest attempt to improve diversity in sociology (a pretty liberal-leaning goal, usually), not conservative complaining.