The current Falcons offensive coordinator was widely criticized for his last few seasons with RGIII. The offensive struggles in Washington were pinned on Kyle Shanahan, as well as head coach Mike Shanahan.
Kyle Shanahan moved on to mastermind Atlanta's prolific offense, while RGIII has been benched by another coaching staff. Sally Jenkins of the Washington Post discussed the mistake made by the team. Her terrific column is full of background on Shanahan.
It was untenable, of course, for Shanahan to stay in Washington as offensive coordinator after his old man Mike was fired.