You seem to have omitted Brietta, that the crime, if any, of Mafeleine's disappearance, remains undetermined and unknown.
The McCann's initiated events in this case, so above all else they bear responsibility for their actions.
No waxing lyrical will change that.
The judges did mention that Amaral's honour and the freedom of speech to promulgate his theory is the paramount issue here. His theory in which he put the horse before the cart seems to have been more important to him than the protocol of keeping all options open for Madeleine. Including the one that she is alive..
The lack of knowledge regarding Madeleine might very well have had something to do with the fact that on his watch the mysterious disappearance of little girls was becoming endemic.
Your criticism is not one for the victims of the crime. They were not responsible for determining operational strategy, that is the police job therefore the failure you criticise is theirs.