" he has to have come to a realization that the enterprise in which he had been involved was seriously and objectively wrong."

I think what he has realized is that most people and the law consider that the enterprise in which he had been involved was seriously and objectively wrong."

He has shown no remorse.

As to his playing - as I said, I don't care.
And any parent who raises a child to view professional ball players as heroes needs an update. Drugs, prostitution, spousal abuse, even murder. Heroes???