Notice very carefully the placement of the word KNOWN. "A man known to have been a child molester..." Duh, if you have a sleezeball chasing kids around that is listed on the states "Registered Sex Offenders" list, how about we don't make him a Circuit Overseer, or an Elder, etc.
Omit the word KNOWN and you have a completely different policy of the WTBTS which is still very much running today. If you have a pervert that is known only by the elders to have molested children, the WTBTS legal department has also been notified, the victim and family have not notified the police and told to keep quiet, the punishment was as little as Private Reproof, guess what? They are NOT KNOWN to have been a child sex offender. Yes, they are a molester and likely will molest again, but the public and most of the congregation doesn't know that. The pervert will, after some period of time, qualify for reappointment as a MS, Elder, etc. When JR Brown speaks of their 'very aggressive policy' he's refering to the crazy JW word games and jacked up policies.
Admit it JR, you're one of them, right? Why else would a group of men be so concerned about the rights, confidentiality, and 'spiritual progress' of child molesters? If WTBTS cared about the children and the cleanness of their organization, the statement should directly say, "For the protection of our children, a child molester does not qualify for a responsible position in the congregation."