Obama has disgraced and deceived himself and the world with such a blatant daft speech.
What's wrong with the speech?
Who is the one flexing muscles in south china sea with 2 aircraft carriers and several destroyers? USA!
Yes, China is signatory to the UN convention on the law of the sea but USA is not. Why is USA using a law which itself doesn't recognise?
UN convention on the law of the sea must not be subjected to different interpretations by different parties. There is only 1 international court and it is ICJ. PCA is just a private organisation without legal authority to rule on international matters. If you look at PCA's website, you cannot find anything on it to substantiate its legality as a court as to who and what empower PCA to be an international court. Furthermore, it states clearly on its website that it is not a court in traditional sense but a framework.
PCA is a private organisation that doesn't recognise historical claim but ICJ which is backed by UN recognises historical claim as it is a backbone of all sovereignties. Without historical claims, many nations wouldn't exist today including USA.
Terra Nullius was a historical claim used by SG in Pedra Branca case against Malaysia in ICJ and ICJ awarded Pedra Branca based on that. Please refer to https://en.wikipedia.org/wiki/Pedra_Branca_dispute for more information.
If the world accepts PCA's ruling, it is empowering a private organisation to rule on international matters and also subjecting international laws to different interpretations. Where will UN and ICJ stand if a private organisation can rule on international matters?
The world must uphold the integrity of international laws and there must be a common interpretation but not different interpretations. Therefore, we cannot allow a private organisation to rule on international matters.