"Whether it is for him as a human being and his character, I don't know. Time will tell. Someone else will be the judge of that," he added.
Miller cited how winning didn't take care of everything for basketball star Kobe Bryant, who faced accusations of sexually assaulting a woman in Colorado in 2003 and later settled a federal civil lawsuit for an unspecified amount of monetary damages.
"You have an overly long list of people who are 'winning' -- whether they are in sports or a box office draw or selling platinum albums," Miller said. "The world tells them they're wonderful and they're No. 1 and their sense of probity and respect for others or your own self tends to evaporate."
That's when a lot can go wrong, Miller said.
"I applaud Nike for taking up his rebirth," Miller said about Woods.
But, he continued, "the slogan sort of falls on its face, and Tiger Woods is exhibit A for the case because it didn't care of everything three years ago."