As I said; no one person can be blamed for the farce this case became.
I think you are mistaken.
Whatever Amaral's intended design might have been - the 'search' for an innocent little girl was not allowed to get off the ground, all very much due to the fantasies of this incompetent.
He has clearly and unashamedly documented it all in his book and in his documentary.
Not content with his farcical manipulation of Madeleine's case when he officially had the licence to do so, as a busy body know it all civilian he attempted to turn the German investigation into as big a farce as the one he left behind him.
The truth will out and it has been well out in the open as a direct result of the latest perfidious pack of lies he has promoted on Portuguese media.
It took a long time for the truth to shine through on the base character of this man whose incompetence - if it was that - very much set the tone of the whole investigation into Madeleine's disappearance.
From first to recent developments and through all of the intervening years.