Children have a fundamental right to a relationship with both parents.
If one parent is restricting contact, out of spite and the other parent is willing to facilitate contact then - isn't it only in the children's best interest that they live with the parent who is willing to uphold the CHILD's basic rights?
The only exception to this is obviously in the case of abuse/violence etc, etc.
In this case neither parent was deemed abusive, however one parent was found less suitable than the other in terms of
1/ Ensuring that the child's right to a relationship with both parents was maintained.
2/ Ensuring that the child was given appropriate medical and dental care.
3/ Was of sound enough mental health to ensure the children's emotional security.
(The mother suffering from manic depression was alluded to in the article. If she wasn't taking the kids to the docs when needed, was she taking her own medication? Children stay with their Dad during Mother's illness doesn't have the sleazy tabloid ring to it same as "permissive" does it? ).
If key, documented aspects of their care (notably access to their Dad, and the GP) were OK, then I very much doubt bedtime, disciplinary styles etc would even have been mentioned. It just makes a good headline to call the mother "permissive" for the judgey- panty -suck- a -lemon brigade.
All of these points would have required by the court to have had strong evidence behind them from professionals and independent witnesses. (e.g You can't just declare your ex a loon, a proper qualified shrink has to agree with you & put in writing for the court!).
The mother will still see her children, they just won't live with her full time. The case was always about the welfare of the kids not the egos of the parents.