In a nonviolent army, the general and the officers are elected, or are as if elected, when their authority is moral and rests solely on the willing obedience of the rank and file.
Mr. Market is kind of a drunken psycho. Some days he gets very enthused, some days he gets very depressed. And when he get really enthused you sell to him, and if he gets depressed, you buy from him. There's no moral taint attached to that.