Let me tell you something about Hew-mons, nephew. They're a wonderful, friendly people – as long as their bellies are full and their holosuites are working. But take away their creature comforts... deprive them of food, sleep, sonic showers... put their lives in jeopardy over an extended period of time... and those same friendly, intelligent, wonderful people will become as nasty and violent as the most bloodthirsty Klingon. You don't believe me? Look at those faces, look at their eyes...
What makes Firefly so superior in realism than Trek is exactly such a scene..
Quark in DS9's The Siege of AR-558
And that's exactly why DS9 is the best Trek show ever!
But do you think Mal would have thought twice about luring in a third fraction in the Independence War to fight against the Alliance?
Hell.. he'd probably advertise it and smile from ear to ear