Because they are tacticool posers who cry themselves to sleep at night, over the fact that no matter what they do, they will always, unavoidably be civilians.

I had a couple of relatives on my father's side of the family who were military, and one of them was a cop; but viewing myself as an inherently inferior form of life due to being a civilian, is a type of mental illness which I've mostly recovered from at this point. When I was diagnosed with PTSD in 2002 though, I can remember feeling as though I'd won the lottery; because while I might not have, and would never experience actual combat, having the trademark military form of psychopathology was as close as I could get.