Что бы что-то разрушить, нужно сначала иметь и быть чем-то таким что можно разрушать.
To destroy anyone or anything there must be something in them that can be destroyed. If you are nothing and have nothing of such substance - then there is nothing there for you or anyone else to destroy.
It's better that she only said it than if she would have actually done it, right? (Talking about rivalry between artists and cutting off arms.)