I have a modded mission where AI either don't shoot at each other, or shoot so infrequently that combat practically never resolves.
I have modified The AI somewhat (code below):
- (based on unarmed prefab)
- only using pistols
- AI Steering Max distance to path = 5
- danger evetn range 250
- LOD distance 1200
- 50m hearing perception
- Obstacle Avoidance on