Obese boy to remain with mother

Health experts met to decide the future of the eight-year-old, who weighs more than 14 stone (89kg).

It is kind of pushing it, the kid is only eight after all.
Has the state the right to interfere? Where does the right of the state to take action begin and end?
As Richard Dawkins argues, brain washing kids with religion can be just as harmful in the long term, and I argue the case myself that it can be fatal,

Driving Lessons, Child Abuse, And A Nation Obsessed.