"As one aviation Authority stated it is not out of the realms of reality to remove data which was unwanted and return the black boxes as in original state."
You must be kidding! Everyone has been apalled at the poor and unprofessional handling of the site, then some "expert" thinks these cats might decide to put down their vodka bottles and carry out a highly technical removal of data from an FDR returning it to it's original state....now that is "armchair expertise"!