I disagree with those who mock Gen. Prayut's accent and his command of English when he delivered his speech at the UN. While language proficiency is important for it is a mean through which one's messages are being articulated, it should not be prioritized over the essence of messages themselves.
This phenomenon is tragically analogous to the status quo of Thai society. As a country which has never been colonized by Western colonials, the need to gain English proficiency in Thailand was unprecedented for the regular Thais until the rise of globalization. Under such a paradigm, English is only a reflection of opportunity and privilege that, most of the time, is associated with socioeconomic class. This notion is crucial for its existence prevents social mobility in Thailand. The art of articulation is often a product of good education, which is limited to people of certain classes. Therefore, it is more than a dry joke when people focus on the PM's delivery of his speech more than its essence. It is a reflection of brutal reality in Thai society that unless you are from a certain position and talk in a certain way, your message may be marginalized.
Well, I'm not worry about the PM because he has article 44 to shut people up or to force people to listen him. But dont you think if he got treated that way, wouldn't it be worse for those in the more unfortunate fates?
On the side note: if you really listen to the essence of his speeches and you have the slightest bit of conscience, you would find yourself more ashamed as a Thai because of the ideas he pitches rather than his English proficiency.