It’s been a truly surreal, disturbing and darkly comic week at the BBC. Much remains obscured, but one thing is crystal clear: longstanding institutional failings over the way the Corporation handles serious complaints remain unaddressed.

On a more positive note, however, the events of the last few days have again showcased one of the BBC’s most enduring strengths: the willingness of its journalists to turn the spotlight onto their own employer, even a respected colleague.