Plenty is doing.
"Aggressive Hostility and Delinquency [as reported via the Minnesota Multiphasic Personality Inventory] were....negatively related to peer-rated Agreeableness. [Using] the standard M.M.P.I. scales, both self-reported and peer-rated Agreeableness are significantly inversely related to the [M.M.P.I.] Psychopathic Deviate and Mania scales."
Disclaimer: this quote appears here only to spark discussion. It is not endorsed one way or the other. Make up your own mind. Or just refresh the page for another viewpoint. From a collection assembled by the late Chris Brand.