That thread is worse than this one...
I think the 'fighting an occupier' argument is valid, but those soldiers were (video is pretty old) doing what they needed to do to survive after being exiled there for a year. The behavior wasn't malicious, and it was tempered (the horn, then closing in, more horn, then one tap, wait, and then get around fast). Many joined to defend the geographic area they were born in (usually for misinformed reasons). Why do you think Ron Paul has the largest percentage of military support among presidential candidates? Because many soldiers are liberty oriented, if not as principled as you perfect beings...