The fun thing is when your elephants go amok, the AI still targets them. Once, I had a unit of Armoured Elephants going amok. The battle was pretty much over anyway, just my cavalry mopping up the remaining troops. Anyway, so out there in the corner of the map are those elephants... Amoking... And the enemy realizes that "Shit, these elephants are an immidiate threat to us! Nevermind the cavalry that's pounding us from all sides!" and it sends its general (a unit of equites) to go and hunt those damn elephants down.

Well. Equites vs Armoured Elephants. You know the outcome.