You are 100% correct.
By been so frank, you are bound to antagonize many, who will fit into those profiles!
Some humans feel that they are superior to others just because they have more money than the other... while some others, just pretend they are well off and try to throw their weight around. Some even think, that Thailand 'exist' because of their money/spending!
Most times, these are the characters that hit the headlines for the wrong reason and gives genuine foreigner also a bad reputation.