All good points, but as in the case of 'A private little war' surely it would have been more more appropriate to tackle the Klingons head on, drive them off and erradicate the contamination rather than add to it? Now, I know it is easy with hindsight to offer alternatives but to me it speaks volumes about Kirk's approach to solutions.
Really? Should a US ship captain have attacked a Soviet ship during the Vietnam war? It owuld have plunged us into WWIII.