Nonsense.
Bangkok is a cosmopolitan city; the census showed that it is home to 567,120 expatriates from Asian countries (including 71,024 Chinese and 63,069 Japanese nationals), 88,177 from Europe, 32,241 from the Americas, 5,856 from Oceania and 5,758 from Africa. Migrants from neighbouring countries include 216,528 Burmese, 72,934 Cambodians and 52,498 Lao.[80] In 2018, numbers show that there are 370,000 international migrants registered with the Department of Employment, more than half of them migrants from Cambodia, Laos, and Myanmar.[78]