You have to wonder what Dibaba's "competitors" are thinking.
When a clean athlete like B-Mart sees a performance like that is she thinking to herself "Wow I have some work to do!" or "Holy shiz will WADA do its job already?!" I'd imagine the latter, though most competitors are too gracious to make such claims out loud (histrionic losers like KG notwithstanding).
Must be discouraging to put your heart and soul into a sport and get beaten continuously by people who are blatantly fraudulent.