The Child Custody document is here: http://black.mydnspages.com/~vbpics/ChildCustody.pdf
Indeed, the WTS completely ignores the religious argument in the recommended response to the question on blood transfusion. This perhaps because the religious argument is bound to fail in court? The WTS has itself dug a shallow grave for themselves. What's needed is the will of the genuinely aggrieved to get them into it.