Read a book by John Douglas,the FBI’s foremost criminal profiler/a master. He indicated there are subsets of violent criminals incapable of rehabilitation/change,essentially he said they have no set point/normal does not exist for them,can never exist. Rapists & pedophiles are in this group.

Pedophiles can’t be reformed

Pedophiles cannot be cured
Pedophiles cannot be cured
Pedophiles can not be cured
Pedophiles can not be cured

Agreed