John McIntyre, an editor at the Baltimore Sun, has an excellent blog post about linguistic discrimination called “English without shame”. The whole post is great, but this paragraph stands out:
The Language Police, the Grammar Nazis, and the SNOOTS are, in fine, snobs, and I find it impossible to believe that language snobbery is nobler than snobbery about wealth, fashion, or family. It’s just one more method to score points against other people and prop up one’s self-regard.
Go read the whole post here.