I took this idiom as a bull is really strong and a china closet is super fragile and weak. So Amory Lovins loves to burst out new ideas or a new kind of writing or plot (whatever she does) from the ordinary.
to often drop or break things because you move awkwardly or roughly
Rob's like a bull in a china shop - don't let him near those plants.
She's like a bull in a china shop when it comes to dealing with people's feelings. (= behaves in a way that offends people)