A leader's constitutionally mandated responsibilities and obligations towards its citizens should be a prevailing bias over any other biases. That is why in dealing with matters of inter-state issues and concerns, world leaders at times need to employ some essence of diplomacy and a measure of diplomatic actions. Basically, in some way, dilpomacy is a means by which leaders can assert ("fight" for) their people's rights without going to war.
Thus, the Philippines has a responsibilty and obligation to assert the rights of its affected people as personified by the 22 filipino fishermen's perilous plight involving a Chinese vessel in the West Philippine Sea.
PDu30 is not forever. Alliances are subjective. So while the international community is still on the Philippine side on this issue, our country is still on a better footing to use proper and appropriate diplomatic tools to correctly address and handle this issue... before everything becomes too late.
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Intentional or not, a mistake committed must have accountabilty. Otherwise, the growing generations will trust impunity more than responsibility.