'WASP' is the only ethnic term that is in fact a term of class apart from redneck which is another word for the same group but who are in the lower social strata so it's inexplicably tied up with social standing and culture and history in a way that the other hyphenations just are not.
Police departments no longer have to pay overtime or divert resources from other projects to find out where an individual goes - all they have to do is place a tracking device on someone's car or ask a cell phone company for that individual's location history and the technology does the work for them.