They have been saying this for years. The report specifically mentions the 2005 Copterline 103 accident (although not by name), and the usefulness of the CVFDR in the investigation - the lack of FDR data is discussed at length in the NSB report into the ERA S76 CFIT in 2004:
http://libraryonline.erau.edu/online...s/AAR06-02.pdf (specific reference to 103 on page 57)