PBBA Market Down 8%

It appears that the Pre-Built Backup Appliance market has downturned somewhat. I wonder if this is customers realising that the best backup packages provide all the functionality of a PBBA software these days?

http://www.storagenewsletter.com/rubriques/market-reportsresearch/ww-purpose-built-backup-appliance-market-down-8-yy-in-3q16/