Editing is like gardening. What you planted won't grow as well or look as good if you don't keep it healthy until you see the fruits of your labor. Editors trim the dead phrases, remove the weedy work and water the best parts of your MS.
The greatest books in the world are collaborative efforts. The author's cover was designed by a graphic artist, their ideas made clearer by an editor and their words laid out by a publisher. All professional writers are supposed to do is write.
Writers want their story to motivate, inspire and empower the reader. The reader wants to be emotionally moved by the writer's work. Words change lives and that is what writers want their work to do. That's why we write. We don't do the other stuff.