Read the excerpt from "Politics and the English Language" by George Orwell. There is a long list of fly-blown metaphors which could similarly be got rid of if enough people would interest themselves in the job; and it should also be possible to laugh the not ‘un-’ formation out of existence, to reduce the amount of Latin and Greek in the average sentence, to drive out foreign phrases and strayed scientific words, and, in general, to make pretentiousness unfashionable. But all these are minor points. The defense of the English language implies more than this, and perhaps it is best to start by saying what it does not imply. What is the author’s purpose in this paragraph?