Thoroughly delusional & criminal parents preferred a 100% guaranteed deadly mixture of superstitious snake-oil & misplaced trust in a non-existent Sky-Daddy over actual medicine for their captive daughter.

What, apart from passively killing their daughter, makes them criminals?
Why, it was the Australian Court Order that they actually look after their offspring, and stay for real medical treatment in Australia, which they breached.

These parents are seriously mentally ill.
They have contracted a mind-virus so powerful that it can turn them into daughter-slaughterers.

The ‘father’ left a steaming heap of nauseating obloquy in his defense. Read it here in the Skeptic’s Book, but be sure to take your blood-pressure medication first.