The link seems to particularly be talking about divorce cases of the mother accusing against the father, evidently of physical abuse and not only sexual abuse. So, the subject of false accusations isn't just about kids making up stories.
I have no doubt that there have been false accusations of being pedophiles and the reputations of some people have been greatly damaged. However, even the quote used at the top of the thread show a third of those charges are substantiated. That's a third that shouldn't be ignored.
Watchtower should turn it over to the legal authorities. It shouldn't be a matter of the elders calling the Legal Department and forming a private Judicial Committee to handle it the same as over-drinking, smoking, or taking a blood transfusion.
What about defense for the innocent? As OUTLAW states, use a lie detector. Is there any forensic evidence? Police and psychology professionals have gotten much better in understanding the child and the criminal mind, so be honest and trust them.
But most importantly, be innocent.