The "crazy" Zelda that has emerged in our popular imagination is as much Scott's making as The Great Gatsby itself. This is, in and of itself, part of the F. Scott legacy. His work depended on Zelda's silence.
It's a whole lot easier to emotionally manipulate someone who has been conditioned by our society to accept it. We continue to burden women because they don't refuse our burdens as easily. It's the ultimate cowardice.