In 1965 Wallace Stegner argued against banning all naughty words:
Under the right circumstances, any word is proper. But when any sort of word, especially a word hitherto taboo and therefore noticeable, is scattered across a page like chocolate chips through a tollhouse cookie, a real impropriety occurs. The sin is not the use of an "obscene" word; it is the use of a loaded word in the wrong place or in the wrong quantity. It is the sin of false emphasis, which is not a moral but a literary lapse, related to sentimentality. It is the sin of advertisers who so plaster a highway with neon signs that you can't find the bar or liquor store you're looking for. Like any excess, it quickly becomes comic.
But a well-placed "fuck" can illuminate.