“However, it may be arguable that the CAFCASS assessment was too superficial and that the termination of direct contact between the father and children was premature. In short, that the judge had given up too soon and had not sufficiently explored the alternatives. The father should, if possible, come to court armed with practical proposals for the resumption of contact, including proposals to reassure the children that there will be no repetition of the type of incident they described to the CRO.”