It is training and doctrine that have stripped people of the power to reason to a moral conclusion on their own powers. They are forbidden to think, this is why they now exist on the same moral plane as abject animals.
From a Facebook comment to this story about police shooting dogs, but it’s applicable pretty much to all “Zero Tolerance” and other “RESPECT MAH AUTHORITAH!” B.S. foisted on us by our “Civil Masters.” The Book says “Do X,” so that’s what they do. They can’t get in trouble for doing what the book says, and it’s easier than thinking.