Nature is what it is, you are going to get bad behavior from any nationality. Statistically, I think the tourist and expat population of Thailand, as against the Thai population, explains a lot
Thai population for 2023, 71. 85 million
tourist in Thailand for 2023, 28 million
Expats in Thailand, estimated 3 to 4 million people. All those figures from government sources. There is one foreigner for every 2.28 Thais living in Thailand. ( approximate) I know foreigners are visitors and must uphold the law, but for the number of tourist and expats I think the crime rate is very low in comparison to the Thai population,