There is a strong tendency in the United States to rally round the flag and their troops, no matter how mistaken the war.
Well, we ought to be stirred, even to tears, by society's ills.
It's a tough thing, to know what to do about a war that deep in your gut you feel is wrong and yet watch your peers going off to fight in that war.
It is not patriotic to commit young Americans to war unless our national security clearly requires it.