Seeing how SE time and time again continues to ignore all PVP related feedback it's no surprise that people are quitting. They continue to make it clear to us that PVP is at rock bottom of their priority list.
Why should serious PVPers invest time in a game where the developer doesn't do the same?
It will only get worse towards the end of August when the new PVP-centric expansion for the most popular MMO is released.