What is supposed to happen in a democracy is that each sovereign citizen will always vote in the public interest for the safety and welfare of all. But what does happen is that he votes his own self-interest as he sees it... which for the majority translates as 'Bread and Circuses'.
The moral difference between a soldier and a civilian is that the soldier accepts personal responsibility for the safety of the body politic of which he is a member. The civilian does not.
There is no safety this side of the grave