He is more comfortable around children than adults. He replaces ineffectual adult relationships with a child. They have never been married, lives alone or with a protective mother, and has rarely or never engaged in sex with an adult. They have developed relationships with adults, married, spend most of their time with the family and tend to socially isolate the family. Exhibitionists and child molesters appear to have more issues of trust and shame, have few long term goals, and focus on short term gratification.
Exhibitionists also appear to be more developmentally immature than the incest perpetrator.
There has been considerable research exploring the recidivism rates of sex offenders. About 250,000 sex offenders are in the United States. Over 217,000 of them will never reoffend again. Therefore, to paint with such a broad brush a permanent label, is not only unfair but a major injustice that will only compound the problem. Further, most rearrests tend to be for other criminal acts, not sexual offending.