It's not okay to defend pedophiles.
Frank is talking with Jimmy when Jimmy confides in Frank that he's a pedophile, and he abuses some children.
Frank wants to respond to Jimmy's statement.
Frank tells Jimmy that it's abhorrent that he's doing these things and that he needs to get help right away.
Frank tells Jimmy that we all have desires and that Jimmy's desires are normal like anyone elses.
Jimmy agrees that it's wrong and that he is losing the fight with his demons and vows to get help.
Jimmy feels emboldened to continue abducting and abusing children, destroying many lives in the process.