Because he was pressed and bullied, not because of any blackmail.
Pressed and bullied by whom using exactly what to influence his last minute change of opinion?
I'm interested in your answer since you so categorically stated it was "not blackmail" but bullying.
But that would lower my estimation of him even further. Even a good and strong man might surrender to blackmail for love. But if he isn't even strong enough to put up with a little toothless carping, he can be pushed into doing anything.
Peace,
SR
Why would he succumb to that when also pressured by 3 other Associate Justices? Why write his own unique opinion?
He was pressed and bullied?
You are so ESP!