The so-called Phil Jackson stat is somewhat meaningless because it's a game one curiosity.
For the finals, here are the important issues ...
1) Games 1 and 2 need to be split. That's been done.
2) Game 4 needs to be won for a 2-2 series. If Game 4 is lost, the team who's up, 3-1, always wins. Now, that effect has been neutralized.
3) If Game 5 is won, after the 2-2 split, then that winner usually wins it all
Now, the Celtics have the above in order and thus, the pendulum swings back to some mythological Phil Jackson stat of Game 1 but with no Game 7 experience whereas Auerbach and Co has been there several times.
I say, sorry about it and let's win it all in LA!