He should be executed as an evil-doer, not as a sick person. Please understand what I am about to say. You know it is not to be taken as an endorsement of evil. But if we continue to argue against sin only because of its temporal consequences we will simply hasten its certain triumph in this generation. The fact is that many victims of childhood sexual abuse do adjust very well to what happened to them.
Many factors are at work.
The media is more adroit than a devil at making much of little evidence, and it will. Canaanites did not suffer through the torment of a Lady Macbeth when they murdered their children as sacrifices. It was socially acceptable, expected, approved. Modern adulterers do not typically suffer from their betrayal of God, vow and spouse. It, along with divorce, has become a thing accepted as part of life.