I think it's been well documented that "The Suits" at the BBC don't like Clarkson because of his refusal to treat them with the respect they think they deserve unless he thinks they deserve it. He also, by his own admission, does not suffer fools gladly. I have the feeling that the incident with the nursery rhyme was brought to the attention of the media by a disenchanted team member as it was cut and would not have been broadcast anyway, but it was leapt on with delight by the get rid of J C crowd