This piece has a character who uses profanity. A lot of profanity. It's an indication of her personality which sets things up very well. Is it necessary to have her use profanity? Well, word choice says a lot about people. Education, sophistication, background, temperament, etc.
There is a very different sense that you get about a person if they say "To heck with you!" or "Forget you!" instead of "Fuck you!". That particular word choice fit this person.
Ever the genteel and delicate wordsmith, I wondered if readers might like to be warned about a story that contains adult language. I put the question to the writers on Twitter:
Suppose, hypothetically, that a #FridayFlash piece had profanity in it. Should that be flagged as NSFW in a link tweet? #writing #fictionAmong the several thoughtful responses was my favorite, by Meika:
@TonyNoland only in the USAThis is a minor point, but teachable moments typically arise in the falling of a single leaf. The lesson I'm going to take from it this is, "Your readers are not children in need of protection. Give them realistic characters in challenging situations. It's a sign of respect."
This doesn't mean I'm going to deliberately put profanity in everyone's mouth from now on, but if one of my characters is the kind of person who would swear, fart in public or piss against an art museum wall, I'm going to let him do it.