Ludicrous idea. Plus the worst abusers of alcohol are Thai themselves. How many drunken farang kill their neighbours, wives, friends etc. with guns, axes, and knives while boozed up? Traditional values indeed....
Happened to me. My wife was walking our dog on green space opposite our house. Two very gentle Soi dogs had died mysteriously over the last previous two days, she saw another one that day and walked our dog away quickly, but our dog obviously ate something without my wife seeing it. Our dog was frothing and shaking within 10 minutes. Died even before we got to the vet. I wouldn't be able to control myself if I knew who it was. People who poison are themselves lower than animals.
You're just wrong because when a Thai gets into to a fight, there are always more joining in and they only fight mob-handed. And there's likely a gun available in the neighbourhood too.
It's, simply that many people are racist which can be fuelled by feelings of financial jealousy. Not just in Thailand. In an alcohol fuelled situation a slight mistake or offense given by a foreigner which is not apologised for (as of course it should be) can lead to trouble. Also Thai men can be problematic with their refusal to admit when they are wrong and I challenge anyone to argue with that. Of course it takes a foreigner not to understand this too
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