War itself has no personal grudges.
Or rather, in a race, nation, or plane war that's too real and brutal, the outcome involves countless lives, and getting entangled with personal grudges on such a battlefield inevitably seems too hollow.
"When you swing your sword on the battlefield for the sake of revenge on a particular individual, in ten minutes you might take ten lives, lives that had no grievances with you before..."
In a sense, Lu Ping'an, the War God, actually does not hide his disdain for war.
As the Master of Life, once a mortal watching his own life slowly fade in despair, he has always detested the massive loss of life without mercy or reason, even under somewhat legitimate and compliant circumstances.
