The Vietnam War should have never been fought. America lost nearly 60.000 brave men and women in uniform in that made-up bullshit.
The American public was never asked if we should go to war in Vietnam, and they most certainly cannot be blamed for the consequences.
Again, you're looking at the wrong target.
'Profit' doesn't always take the form of money, sometimes that profit is in power .. as was the case with Bosnia and Kosovo. It was Clinton's moment in the sun that paid off big time.
How Clinton Waged War Through Executive Order
http://www.usasurvival.org/kosovowar.html
AND, it was the US supporting Islamist terrorists .. a pattern that has exploded into a disturbing and telling alliance.
May I recommend something from 1933 that is just as relevant today, if not more so.
War is a Racket
By Major General Smedley Butler, USMC
http://www.informationclearinghouse.info/article4377.htm