Paedophiles should be sentenced to life imprisonment

As paedophiles cannot be cured, as confirmed by criminologists and child protection officers, then why are they let out of prison to abuse our precious children again and again. Treatment does not work and castration only makes them more evil and dangerous. The 'law makers', on letting them out, are giving them licence to abuse babies, toddlers and children. I cannot understand this at all. We need to petition to keep these lowlife locked up for life and mean life so that they can never again carry out their evil and dangerous fantasies/actions on our most treasured children.