Profiling actually works, it is a well studied police process..... the argument is whether it should be used in crime prevention or solving only. Anything that makes crime less likely to impact me I could support.
I do not go along with your idea that all firangis in Pattaya should be rounded up as the number of tourists involved in crime is still very small... comparing it to Nakhon Nowhere is a nonsense, Pattaya is a tourist town. There is another group that hang around certain areas off Sukhumvit in Bangkok... take them off the streets I say, deter them.