Jay Rayner, writing in "The Observer" quotes one senior BBC News executive, who stated: "We probably were reluctant and slow to take him seriously to begin with. We probably didn't like what he had to say. But then we were also slow to pick up on immigration as a story, not least because we are a very middle-class organisation and the impact of mass immigration was being felt more in working-class communities. If he's proved himself, it's because he hasn't put a foot wrong on the information he's published".