This is one of those grandfathered-in PvP sets from back in the era when 800ish heals per second were sort of ok. This is no longer the case. Perhaps it'll be updated.
Note that my argonian DK healer did use it in PvP back in the day.
Due to the age of this thread and the fact it may contain outdated information, we have gone ahead and closed it down. If anyone would like to continue discussion on this subject, please feel free to create a new, current thread.