Powerful checklists for us all to consider. All of us can take more responsibility and be aware of anything we do that contributes to this problem.
This is not just about those people who are involved in custody battles, it is also about the support groups for those people. This includes family and friends who, perhaps unwittingly, are giving their approval and support to the actions of a parent who is actually ABUSING their child. Saying nothing is not an option. Encouraging them to keep children from their other parent is not healthy. Facilitating that is to participate in the abuse. Educate yourself. Support the well being of children. They are more important than hate.