Courts will not cross that boundary that regards articles of faith as sacred and fundamental rights. In Canada, they have placed limits on these however: the Supreme Court recognized that a minor child's right to life supercedes its parents right to free expression of religion, where the child is not of a stage of maturity where they are considered able to make such a decision on their own behalf. The Court recognizes that the adult JW has the right martyr him or herself, but they do not have the right to martyr a child who may not, if given the opportunity to live to adulthood, choose to martyr themselves in this manner or even become members of the religion.
There was a case of manslaughter that went to the Supremes in Canada over a similar situation as the one described at the start of this thread. Needless to say the Court upheld the conviction and tossed the parents' religion defence out the window since the safety of a minor trumped the religion of the people.
The Supremes have also said that Courts will also cross the boundary if the Religion is not teaching its beliefs honestly and in good faith.
The Supremes have also said that they will review cases where the person was not given due process with respect to a religions policy/doctrine. A classic example of that was the Mott-Trille case.
hawk