In cases where there are identifiable features of parental alienation, judicial decision making "has been described candidly as assessing which decision will cause the least overall risk and harm to a child". (Molyneux and Gilham, From parental alienation to parental co-ordination: A discussion of B (change of residence; parental alienation) [2017] EWFC B24, P.C.B. 2017, 5, 160-169)

Discuss with reference to relevant case law and statute(s).