If you expect to succeed as a writer, rudeness should be the second-to-least of your concerns. The least of all should be polite society and what it expects. If you intend to write as truthfully as you can, your days as a member of polite society are numbered, anyway.

“The thought process can never be complete without articulation.”

“The place where you made your stand never mattered. Only that you were there...…”

“He's a very nice man and all that, easy to get along with, fun, he never makes …”

“The most important things are the hardest to say. They are the things you get a…”