at least incendiary barrage give infantry teams and weapon teams a chance to get out instead of instant wipe like precision strike does. if your weapon team got wipe by incendiary barrage is just you didn't pay attention to your units or didn't press "space bar" often enough
Some units like maxim or ZiS have big problems getting out of the burning area.
Fire kill the man pulling the weapon and while another man is taking it, they all start to die.