LOL.
You really think a PVE PVP debate / Open only for a 6 year old game is suddenly going to inspire a flood of new PVP blood into this game? THAT is not logically sound.
You think that a game 2 months after a paid major content expansion retreats to player numbers on par or below the May release is going to experience a surge in players if it goes full PVP? THAT is not logically sound.
Especially given this as the perception of the expansion:
View attachment 258910
I also noticed that you snipped out the June July and August numbers from your charts. That's not a question of logic, it's just hiding from the evidence.
I get that you really want to crush any voices that are counter to your Open only passion, but this debate is irrelevant given the age and waning popularity of the game.
It is time to move along.