As the OP implied, Graydon will be happy at Sir Malcolm's downfall.
One is a proven liar, the other an honourable man who has been a little silly. One committed illegal acts, the other apparently did not. The actions of one contributed to the deaths of Servicemen. The other was furious that he was misled and unable to prevent this.
Guess who takes the hit? It says much about society and the gutter press. But it says more about those with a very short memory who continue to denigrate those who actually try to meet their duty of care obligation.