As said earlier, Davies brough him in for the one series only. Eccleston was supposed to be the short-lived Doctor to give the audience the understanding of the concept of regeneration as well as a feeling that the show could change at any moment.

whomod said: I generally don't like it when people decide to play by the rules against people who don't play by the rules.
It tends to put you immediately at a disadvantage and IMO is a sign of true weakness.
This is true both in politics and on the internet."

Our Friendly Neighborhood Ray-man said: "no, the doctor's right. besides, he has seniority."