Some of what he says is a little extreme but he is at least part right because a soldiers first duty is to stay alive even if that does endanger a child. You don't try to be noble and say I will sacrifce myself for another. You can try and avoid casualties but at the You can try and avoid the deaths of others but war is not science, but your job is to stay alive and if possible accomplish your mission.
ISIS kills 22 in Yemen's Sanaa, Aden; targets both gov't and Houthi rebels (Reuters)
from the article: What do we tell our soldiers' parents?