Revert level 90 Alliance XP change

[YukioKobayashi]

In about twenty minutes you can do your Pelu Pelu quests, Daily Dawn Hunt Marks and a Frontline Roulette and have well over a single level.
Leveling Roulette will take you, at most, twenty minutes on average. Alliance roulette will take you about twenty minutes.

Need I go on?

And all that is on a daily lockout. At leats compare the exp gain to spamable content like the DT dungeons.