The more virtuous a person is, the more adept they are at controlling their power, ensuring it is not misused.
The Advance Team made every effort to restrain their desire to wield overwhelming force, attempting to solve issues through negotiation. To them, resorting to violence was the last of all options.
Clearly, Kyushu lacked this culture of restraint, which resulted in the rampant abuse of power. In the end, excess led to counterbalance, and a group of civil officials emerged within a nation obsessed with cultivation.
Thus, the Advance Team vaguely glimpsed the fundamental solution to Kyushu's problems: education and enlightenment.
Magic exists objectively and permanently; using magic is a human instinct and should not be altered by ideology.
Once these two truths of the Otherworld are understood, Kyushu's predicaments become much easier to resolve.
