All the reasons we won't see a Warriors-Cavs Finals rematch

The overwhelming consensus is the Cleveland Cavaliers and Golden State Warriors will be the first teams in league history to meet in three consecutive NBA Finals, playing the rubber match of their series after splitting the past two titles.

But guess what? ESPN's Basketball Power Index (BPI) says that the matchup is not likely to happen.

And almost any other statistical projection will reach a similar conclusion.

Why isn't a rematch a sure thing?