Blizzard has commented on the current state of PvP Gearing and the Honor Farm in the Community Council forums. They give detailed thoughts on PvP Gearing in the past, present, and the future and noting that they plan on adding a significant Honor buff to Spoils of War soon.
The summary is as follows:
Blizzard is aware that players want the gearing-up phase of PvP to be shorter still, even after the Patch 9.1.5 changes. They don't want to change gearing mid-Season. Read more on wowhead.com