Linguists are descriptive for the same reason physicists are: You can't understand something if you come into it with preconceived ideas about how it ought to b

Linguists are descriptive for the same reason physicists are: You can't understand something if you come into it with preconceived ideas about how it ought to behave. More to the point: > It’s one thing to understand that wearing dark formal attire to a funeral is just a part of etiquette without intrinsic meaning; it’s a whole nother matter to come to a funeral in a Hawaiian shirt and dismiss all criticism as judgmental. In this analogy, linguists are the ones who try to figure out why people like you tend to wear dark clothes to a funeral, why other groups do not, and how those distinctions occurred. Peevers are the ones who insist that all good people wear dark clothes to funerals, ill-bred mongrels wear other kinds of clothing to funerals, and resist any notion that their culture is not universal. Moving back to linguistics: Linguists understand people have linguistic preferences. Linguists have linguistic preferences. Linguists are opposed to people dressing up their preferences as laws of nature and insisting that everyone must speak according to those preferences. Going back to physics: A physicist may wish for perpetual motion, but a crank insists they have it and demands everyone hail them as the inventor of the perpetual motion device.