"Sexual excitement differs from other forms of passion, Augustine contends, since in the case of anger and the rest, it is not the impulse that moves any part of the body but the will, which remains in control and consents to the movement."
From Adam, Eve, and the Serpent, by Elaine Pagels
"Anger is power if you know how to use it" The Clash
Anger is combat, opposition, isolation. Anger defines boundaries clearly, drawing a line between the self and the object of anger. Anger seperates.
As a forming political power, the Roman Catholic Church had to distinguish itself from Rome. Rome had a history of free sexual conduct, and hedonism. Christianity had a history of persecution and martyrdom.
Anger can be directed to do work.