Its been mentioned many times and might explain why May hasn't sacked him,keep your enemies close,I remember one commentator saying at the time of the appointment ,its was a canny decesion, give him the Foregin Secretary role, with diminished power, no impact on Brexit ,just let him waffle and embarrass himself .
Or the other option, he's used as a useful fool to unleash provocative headline grabbing media bytes, taking the eye off the real stuff, fake news??