Neut,I’ll give you the benefit of the doubt and assume your just naive. Serial abusers, whether Jewish or in the church, got away with it because persons in authority looked away. To this day, the Agudah still lobbies against a bill in New York State that would require private schools to check teacher’s fingerprints against a registry.
( public schools are already required )
Rabbinical and community leaders often strongly discouraged going to police, but did nothing to stop the abuser