The main problem with Rudd is that he was, as describe by his fellow politicians, a psychopath...
In addition he had a deplorable potty-mouth and what seems to be continuing uncontrollable childish temper tantrums when he did not get his way on minor and insignificant details, along with what seems to be a incoherent and scattered thinking process that tended to leap at random and often foolish thought-bubbles...