The actress, Bex Taylor-Klaus, is a main character on Scream now. With both Sara and Roy gone from the show, they likely had little use for the character.

Misused in the way that Sin was nothing like the comic character who's name she sharesan all too familiar process on this show.

No, underused. Not quite what "misuse" implies. They seem to have forgotten she existed, even though Bex Taylor-Klaus made her into one great and enjoyable character. I liked her so much.
Maybe we should have sent several dozen giddy fangirl tweets to the producers, eh?

Because supporting your thesis is tough, but throwing adjectives is easy.

Sin was another character that the writers misused.

Who cares. Also her name is Sin I think
Do you mind if I have a piece of your thigh? It would complement this fine '76 chiraz