The strange thing is that as late as in the 1980 even very good psychologists and psycharatists believed that pedophiles and sexual abuser of young people could be cured by good therapy.
That is probably why some were moved to a place with good therapy.
Unfortunately they were all wrong in what they thought.
Also people were ashamed of telling openly what had happened to them. Luckily it has changed - now we can talk about it.
It is not many years ago when a woman was raped that even a judge would kind of hint ....it is probably her own fault. It certainly is not.