As usual, Chantal Hébert hits the nail on the head:
"As the kingmaker at the convention that crowned Stéphane Dion, Kennedy is the person most responsible for the dynamics of the 2008 campaign.
His decision to bypass the two front-runners in favour of a Quebec dark horse has changed the shape of the election race among the five parties.
Had Kennedy made a different choice, the election might already have come and gone. ..."
I think it just delayed the coronation of Bobama/Ignatula.