You want a way to improve your writing?
Writers are in control of their story world, yes? They create, they destroy, they play god. They decide the experience the reader should feel.
But if you aren't allowed to destroy? If you are not allowed to remove a bad idea, and you must force the story to cope & live with whatever cringe-inducing scene you've written?
If you prohibit yourself from destroying, suddenly everything you write becomes a lot more thoughtful and careful.