The best doc of Thailand, no nonsense like 99% of Thai's media. But editor should do more researches some misleading and bias information here. Two sides of the coins positive and negative should addressed, not only from the editor preferences. He has a prime location for business if he knows.
The word tai or thai does mean people( Khonh), people of a certain profession or people of a certain geographical location but none of an ethnic nor race as William Dodd mentioned in his tai race book by ignorance and misunderstanding. Tai Lue, Zhuang/Liao, tai Dam, tai Done/Khao, tai Deng-Phouthai who used to live or still living today south China are Lao/AiLao resident of Montse ( Nongse in Lao) the former kingdom of Lao/AiLao people.