This is not true. Amaral did Defame The McCanns. But The Court said that he has a right to do this, over and above their right to a Reputation.
I would qualify that slightly.
At the point Amaral was removed from the investigation, the investigation was (more or less) at the point of the Almeida Interim Report, which is largely what Amaral's book is based on.
That is what's meant by the oft-repeated mantra that Amaral's book is 'based on the files'.
So whilst it is true that (much) of the content of Amaral's book is based on material that can be located in the files (albeit contradicted by much else, also located in the files) massive chunks (of the content of Amaral's book) are simply not in the files.
Nowhere is it written in the files that Amaral contradicted and corrected Stuart Prior on interpretation of the forensic results.
Nowhere is it written in the files that Stuart Prior rang the FSS to berate them on the PJ's powers of arrest.
Nowhere is it written in the files that Mark Harrison turned the investigation into one for a little girl assumed dead and buried somewhere close to apartment 5a
Nowhere is it written in the files that Harrison hinted that someone close to Madeleine, and maybe even her parents, might be behind Madeleine's disappearance.
Nowhere is it written in the files that English police officers wore 'find Madeleine' ribbons until they read the files and realised how compelling the case against the McCanns was.
Nowhere is it written in the files that Eddie 'scented death' all over the place. (Slight correction, it is written in Almeida's report, but nowhere else, and Almeida is not the expert).
It
is written in the files (the archiving dispatch) that neither Kate nor Gerry could reasonably have been expected to foresee an
abduction of any of their children.
A second (joint) investigation is not remotely considering Kate, Gerry or any of their friends.
Yet Amaral stands to profit from his book.
Amazing!