The president's victory margin establishes the mandate he needs and we want him to have. As that margin grows, it needs to be news. The public needs to know it so the mandate can take hold.
I know a lot of the punditry can't understand why we're still talking about vote counting in an election decided nearly two months ago. But if an election goes from a squeaker in total votes on election night to a blowout after two more months of counting, and no one knows, did it really happen?